This is the KomeStone rock tumbler belts kit, KomeStone K1, K1 Pro, and K3 rock tumbler use only Belts are expendable, they may be worn out after working day any night. Get more for spare use.. We upgrade this kit from 3-to 5 belts in each kit, while it might be 3 pcs belts for old inventory. Just reach out for the replacement if you receieve 3 of them.. If your belts break often, please contact us for help, no worries, we'll try our best to provide the best solution.. KomeStone's Comprehensive Kit Discover the ultimate rock tumbling kit. Choose from our versatile range of models - K1 professional and advanced, K1 Pro with a cutting-edge brushless motor, K2 featuring noise reduction and a brushless motor, and the K3 hobby rock tumbler. Suitable for all ages, it's the perfect gift guide even a 4-year-old can master its use.. Explore Further Elevate your rock tumbling with our range of accessories. From rough rocks to high-performance polishing grits and ceramic pellets, we have all you need for flawless results. Compatible with various rocks and tumblers, our accessories enhance your lapidary journey..

2 LBS Non-Abrasive Ceramic Small Tumbling Media. 316dia. X 38long cut cylinders.. Improve your rock tumbling results improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage.. Rock tumbling ceramic pellets are reusable and can be used during every rock polishing grit cycle.. Perfect for protecting stones or filling while rock tumbling. Compatible with any brand tumbler or grit.. Use liquid compounds or water in tumbling and vibrating machines..

DIMENSIONS Compact size measuring 4.09 inches in diameter and 3.78 inches in height, perfect for small rock tumbling projects. CAPACITY Holds up to 1 pound of rocks for tumbling and polishing, ideal for hobby-level rock collecting. CONSTRUCTION Features a durable black barrel with stainless steel lid and secure locking mechanism for reliable operation. SEALING SYSTEM This rock tumbling barrel is equipped with a rubber seal and tight-fitting cover to prevent leaks during the tumbling process. EASY TO USE To polish rocks or metal parts, add a media and let the machine do all the work for you.Ideal for tumbling stones and jewelry components..

COMPLETE ROCK TUMBLER KIT WITH GRIT INCLUDED Start polishing right away with this 30lb rock tumbler kit that includes a full grit set for multiple polishing stages. Featuring coarse, fine, pre-polish, and ultra-fine aluminum oxide polish, this kit provides everything needed to transform rough stones into smooth, polished gems.. HEAVY DUTY BUILD FOR LONG-LASTING PERFORMANCE Built with a 16-gauge welded steel frame and powder-coated finish, this rock tumbler is designed for durability and corrosion resistance. Industrial-grade stainless steel ball bearings and rubber-coated rollers ensure smooth, reliable operation without plastic components.. VERSATILE MULTI-BARREL COMPATIBILITY Engineered to support multiple barrel sizes and combinations, this tumbler base offers flexibility for different batch sizes and polishing needs. Ideal for both beginners and experienced users looking to expand their rock tumbling setup.. POWERFUL MOTOR WITH EFFICIENT OPERATION Equipped with a fan-cooled, thermally protected motor designed for extended use. Runs at an optimal speed for effective tumbling, helping achieve consistent polishing results while maintaining smooth and quiet performance.. USA OWNED BRAND WITH TRUSTED QUALITY Proudly offered by a USA-based, disabled and veteran-owned company. MJR Tumblers is known for producing reliable, high-quality rock tumblers designed for performance, versatility, and long-term use..

PACKAGE INCLUDE3lb barrel for rock tumbler.. QUITE AND DURABLENoise-Reducing Barrel,Thanks to the tumblers tire rubber lining, it is ultra-quiet.. EASY TO USE To polish rocks or metal parts, add a media and let the machine do all the work for you.Ideal for tumbling stones and jewelry components.. CONVENIENTConstructed of durable rubber and with a leak-proof lid.. NOTEThis rock tumbler barrel allows you to polish like a pro. We recommend having a dedicated barrel that is only used for the final step in the polishing process to avoid leaving any remnants of rougher grits that might scratch your gemstones and diminish the final polish..

3lb Rock tumbler Barrel This viyuki rock tumbler Replacement 3lb leak-resistant barrel. Designed with beginners and hobbyists in mind, this included rock mix is colorful and appealing to younger users.. Replacement Part The barrel is compatible with the viyuki rock tumbler hobby series tumbler.Sturdy and holds a good amount of rocks. Quiet rubber drum, you can learn quite a bit along the way about different types of rocks and how theyre formed.. Polishing Barrel With a tumbler, you can polish rocks to give them a smooth, almost glass-like finish. Polished stones can be set out for display in your collection, or you can even turn them into creative pieces of jewelry.. Quiet Barrel Constructed of durable rubber and with a leak-proof lid, this barrel is designed to be low-noise and easy to use..

Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 10 extra beltsabsolutely free ... - - Enjoy peace of mind with our extended 90-day refund guarantee and 5-year warranty. If you miss Amazons 30-day return window, simply contact our US-based customer service for hassle-free replacement or refund assistance. We provide 247 claim support to ensure a smooth rock tumbling experience and complete customer satisfaction.. Industrial-Grade Brushless Motor Built to Last Over 10 Years Unlike ordinary rock tumblers, the KomeStone G3 model rock tumbler uses a verified brushless motorstable, powerful, and tested by over 1 million units. Delivers long-term reliability and reduces noise by up to 67.The tumbler rotates at approximately 40-50 RPM. The exact speed depends on the load for example, it runs at about 48 RPM when the barrel is two-thirds full.. Smart Control Panel with Real-Time Watt Tracking Our exclusive 3-screen display shows total tumbling days, extra hours, and live power usage. The smart timer helps you optimize runtime, keeping typical daily energy consumption under 0.5 kWhperfect for calculating costs and planning your polishing cycles with precision.. Extra-Large 22LB Capacity for Serious Tumbling Polish up to 10X more rocks per run. The reinforced barrel with 6 metal twist knobs makes loading and sealing easy even during high-volume polishing. Built for collectors, workshops, and advanced users.. Full Metal Build Base Drum Shell for Stability Strength Engineered with a durable metal base and a metal-clad drum for maximum durability. No plastic herejust solid construction that resists cracks, warping, and wear from long-term, heavy-duty use.. 5-Year Warranty Lifetime Support from KomeStone KomeStone G3 rock tumbler comes with a 5-year warranty covering free replacement of the motor and other core components. All customers also receive lifetime technical support and access to replacement parts, including belts, barrels, metal lids, and the base. You may use the warranty to request free replacements or purchase parts directly if preferred.. About KomeStone KomeStone rock tumblers are the first with brushless motor technology and now lead U.S. sales by a wide margin. We are more than a manufacturer were your partner, offering reliable products and lifetime support you can count on..

Targeted Compatibility - This set of drive belts is specifically designed to fit LORTONE Model 3A and KomeStone K1 K3 rock tumblers Not applicable to K2, K4. It serves as a direct replacement for the original round belts that wear out with use. 4-Belt Value Package - Receive four 4 identical replacement drive belts in a single order. This bulk pack provides exceptional value, ensuring you have multiple spares on hand to minimize machine downtime between lengthy tumbling cycles. Durable Buna-N Material - Constructed from Buna-N Nitrile rubber, these belts are made to resist abrasion and stretching. This material choice helps maintain belt integrity and reliable performance through extended use in rock tumbling applications. Consistent Tumbling Action - Engineered to match the original specifications, these round belts provide smooth and efficient power transmission from the motor to the barrel, which is crucial for achieving uniform rock polishing results. Practical Maintenance Solution - An essential replacement part for any rock tumbler owner. Replacing a worn drive belt is a simple DIY task that can quickly restore your LORTONE or KomeStone tumbler to full operation.

Model-Specific Fit - Designed specifically for LORTONE 33B and 45C rock tumbler models, these replacement belts match original equipment specifications to ensure proper fitment and reliable performance for your rock polishing needs. 4-Belt Value Package - This practical package includes four identical replacement drive belts, providing excellent value and ensuring you have spare belts readily available when maintenance is required. Durable Buna-N Material - Made from Buna-N Nitrile Rubber, these belts resist abrasion, stretching, and wear, delivering consistent performance and extended service life in rock tumbling applications. Smooth Power Transfer - Engineered to provide reliable power transmission from motor to barrel, supporting consistent tumbling action for effective rock polishing results with minimal vibration. Easy Maintenance - Straightforward replacement process makes these belts ideal for DIY maintenance, helping keep your LORTONE tumbler operational with reduced downtime.

1. Designed for LORTONE 33B and 45C These drive belts are manufactured specifically for LORTONE 33B and 45C rock tumbler models. They match original equipment specifications to ensure proper fitment and reliable power transfer from motor to barrel. 2. 6-Pack for Long-Term Value This package includes six 6 identical replacement belts. Having multiple spares on hand means less downtime when a belt wears out, allowing you to continue polishing without waiting for replacements. 3. Buna-N Nitrile Rubber Construction Crafted from Buna-N rubber, also known as Nitrile. This material resists abrasion, stretching, and wear from continuous rotation. It maintains consistent tension and grip over time, supporting steady tumbling action. 4. Smooth Power Transmission Engineered to provide reliable power transfer from the tumbler motor to the rotating barrel. The belts consistent traction helps maintain even barrel rotation for effective rock polishing with minimal vibration. 5. Simple DIY Replacement Replacing a worn belt is straightforward. No special tools requiredjust remove the old belt and stretch the new one into place. This keeps your LORTONE tumbler operational with minimal effort.

COMMERCIAL GRADE POWER PERFORMANCE Built for serious rock polishing, this 40lb capacity rock tumbler delivers professional-level results with a powerful motor designed for continuous operation. Ideal for hobbyists and advanced users looking for a reliable, high-performance rock polishing machine.. VERSATILE DESIGN FOR MULTIPLE BARREL SETUPS Engineered to support multiple barrel sizes and combinations, this tumbler base offers unmatched flexibility for different polishing needs. Whether you're working with small batches or larger loads, it adapts to your workflow with ease additional barrels sold separately.. HEAVY DUTY STEEL FRAME PREMIUM COMPONENTS Constructed with a 16-gauge welded steel frame and powder-coated finish for durability and corrosion resistance. Features industrial-grade stainless steel ball bearings and rubber-coated rollers no plastic bushings ensuring long-lasting, smooth operation.. EFFICIENT MOTOR WITH OPTIMAL SPEED CONTROL Equipped with a fan-cooled, thermally protected motor that runs at the ideal speed for faster, consistent polishing results. Designed for extended use while maintaining stable, efficient performance for rock tumbling and stone finishing.. TRUSTED USA-OWNED BRAND WITH PROVEN QUALITY Proudly offered by a USA-based, veteran-owned company with over 20 years of experience. Designed for durability, performance, and versatility, making it a top choice among rock tumblers for adults, hobbyists, and professionals alike..

Rebel 17 low speed rotary rock tumbler is commercial grade with a 17 pound capacity. Power 115V. Motor 130 Horsepower, Fan Cooled, Overload Protection, 1250 RPM. Drum runs at 20 RPM. Drum Rubber Lining for Quiet Operation. Rods Heavy Duty Ball Bearings. Drum runs at 20 RPM.. Base Measures 11.5 W x 13 L x 11 H. Drum Measures 9 Dia. x 7.5 x 8.5L.. Original high speed Rebel 17 tumbler by Extreme Tumblers was used to clean brass by gu n owners who reload, but the model sold here has been modified low speed to make it ideal for rock tumbling instead.. Finish Matte Black Powder Coat. Warranty 3 Year manufacturer warranty on barrel and liner 1 year on motor..

Turn rough rocks into polished gems Discover and learn the fun process of rock tumbling with the Advanced Rock Tumbler. Pour in the rough stones and grit and let the machine do its job. Complete kit Includes rock tumbler machine, low-noise barrel 1 lb. capacity, 4 grit packets, 12 lb. assorted rough rocks, mesh strainer, jewelry fasteners, gem storage bag, and an illustrated easy-to-follow instruction and learning guide booklet.. Powerful quality Runs on a powerful heavy duty motor that will last for a very long time, and includes a leak-resistant barrel that runs quieter than the other brands.. Advanced features Includes speed controls providing more granular tumbling results, a 9-day timer shuts off automatically when you desire, all displayed on beautiful LCD screens.. A fun and educational gift for all ages It's not often that a science project can be fun and engaging, but this kit achieves both It fascinates children and adults as soon as they pull it out of the box and is a perfect STEM project for any age. It fosters a love for science, geology and mineralogy in a fun and exciting way..

Power Adapter 120V60Hz Barrel Capacity 3LB. Packaging List Includes tumbler, 0.5lbs of walnut shell media, five v-belt, and instructions. Professional Features The durable motor allows you to tumble multiple batches of rocks. An improved, leak-proof barrel is lined with rubber for quieter operation. Easy to Use Detailed tumbler instructions lead you step-by-step through the rock tumbling process.

Create your own gemstones Rock tumbling is a hugely popular hobby for kids and adults This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A tumbler that's made to last. The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid.. This all-in-one tumbling kit has everything you need and then some You get one pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, tumbler grit, a strainer, and our innovative new GemFoam polishing foam.. Use Gemfoam for dazzling results This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. The National Geographic Stem series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75 quieter overall than plastic tumbler barrels.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some You get three pounds of rough rocks with nine different types of gemstones inside, five jewelry fastenings, grit, a strainer, and our innovative new GemFoam rock polisher.. USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

COMPLETE KIT - 4 Step grit pack and ceramic filler for use in 15 lb. tumbler or five 3 lb. tumbles.. CONTAINS - 1 lb. 6090 Coarse Silicon Carbide Grit, 1 lb. 180220 Medium Silicon Carbide, Grit, lb. 500 Fine Silicon Carbide, lb 1200 Aluminum Oxide Polish and 1.5 lbs. non-abrasive ceramic filler cylinders. No need to keep ceramic separate for each stage rinse and use the same batch through all the tumbling stages.. GRIT SOLD BY WEIGHT NEEDED FOR EACH STEP Steps 1 2 are 1 lb. each and Steps 3 4 are lb. each but all are sold in the same size jars for packaging consistency. The different weights, along with different densities, will mean that jars will not have equal amounts of fullness.. PREMIUM POLISHING MATERIALS, COMPATIBLE WITH ALL BRAND TUMBLERS - Proven to produce a beautiful polish. Made in the USA.. BEGINNER FRIENDLY - Complete easy-to-follow instructions included. 100 satisfaction guarantee on all our products..

This Rock Tumbling Shirt Design is the perfect Present Idea for any Rock Tumbler. Rock Tumbler T-Shirt Present for Men or Women.. This I'd Rather Be Rock Tumbling T-Shirt makes the perfect stocking filler, birthday Present or christmas Present for Rock Tumblers. Great Present Idea for your brother, sister, mother or father who loves Rock Tumbling.. Lightweight, Classic fit, Double-needle sleeve and bottom hem.

The total weight of the 4 Step grit kit is 12 LB, enough for you to polish more gems.. KIT CONTAINS Step 1 Coarse Grit4 LB Step 2 Medium Grit4 LB Step 3 Pre-Polish2 LBStep 4 Final Polish2 LB,. Compatible with ANY BRAND OF Rock TumblerIf you want a finer effectyou can Email us,we can comminicate polishing tips together.. Purchase with confidence. We proudly back our product with a 100 satisfaction guarantee.

High Quality Our rock tumbling grit is made from premium materials, ensuring durability and long-lasting performance. You can trust that our product will deliver excellent, consistent results every time.. Easy to Use Our Rock Tumbler Grit and Polish Refill is designed to provide a smooth and polished finish to your rocks. With four stages of grit, You can effortlessly achieve the desired brilliance. Compatible with All Tumblers Whether you have a small or large rock tumbler, our rock polishing grit is compatible with all types of tumblers. You can confidently use our product with any brand or model.. Packaging Contents 1 lb. of 6090 coarse silicon carbide grit, 1 lb. of 180220 medium silicon carbide grit, 21 lb. of 500 fine silicon carbide grit, 21 lb. of 1200 aluminum oxide polish, along with a user-friendly instruction manual and a spoon.. AFTER-SALES SERVICE We strictly bottle by weight, so there are two bottles that are half-filled.If you are not satisfied with our rock tumbling grit and polish refill kit, please feel free to contact us and we will try our best to solve your problem..

POWER ADAPTER 120V60Hz Barrel. PROFESSIONAL FEATURES The durable motor and two bowls design allows you to tumble different batches of rocks.. SOLID QUALITY Metal case and powerful motor give you a durable machine that will last for years.. TRANSPARENT BARREL The 3LB leak-proof barrel with transparent design allows users to check out the status at any time.. FULLY READY KIT Includes tumbler body, 2x3LBS transparent drums, 1 magnifier, 1 gem case, 5 v-belt, 2 sets of grits, 2x1 pound total of 2 set of raw stones, jewelry set, 1 screwdriver, and 1 instruction manual.. CAPACITY 2 3LB.

Professional-Grade Polishing for Advanced Users Take your tumbling results to the next level with this metal rock tumbler, built for hobbyists and collectors who demand more. Engineered for precision, durability, and control, it delivers results far beyond entry-level models.. Powerful Brushless Motor No Maintenance, No Compromise The high-efficiency brushless motor delivers strong, stable power and a longer lifespan. It runs with less heat and no dust, unlike traditional brushed motors that can overheat and wear out over time. No carbon brushes, no mess, and no drop in performance.. 4lb Rubber Barrel Heavy-Duty Capacity, Whisper Quiet Upgrade your output with the 4-pound capacity rubber barrel that handles larger batches while reducing noise by 60 compared to plastic drums. Designed for indoor use and multi-day runs without disruption.. Smart Controls 3 Speeds 9-Day Timer Dial in your perfect polish with three speed settings and a programmable 9-day timer featuring auto shut-off and pause function. Ideal for users who want tighter control over grit stages and cycle timing.. Complete Kit Built for Serious Tumbling Includes everything you need to get started or upgrade 4lb barrel, 1lb premium rough gemstones, 4 polishing grits, 2 spare belts, screwdriver, jewelry findings, mesh strainer, and a full-color instruction manual. Ready for pro-level polishing out of the box.. AtoRock Official Warranty - - - . Missing parts, operation issues, or polishing advicewere always here for you. We strive to be the most reliable after-sales supporter in the rock tumbler industry. We dont just sell rock tumblerswere your trusted long-term partner..

Long-term heavy-duty use may wear belts over time. ? .. Were here to ensure your A3 tumbler always performs like new.. Serviceable Design - Built, Not Disposable All core componentsincluding belts, barrel, and drive partsare replaceable to keep the machine running at peak performance. Backed by a - and U.S.-based support, the A3 is designed for a 10 year service life, making it a true long-term investment. If You Want the Best, You Want AtoRock Tumblers.. Designed by Experts Proven AtoRock Quality Developed by a U.S.-based team with over 10 years of rock tumbling experience, AtoRock focuses exclusively on building reliable, professional tumblers. With a proven lineup from A1 entry-pro model, A1 Pro dual-barrel tumbler to A3 22lb heavy duty rock tumbler, every machine is rigorously tested and refined to meet the demands of serious hobbyists, collectors, and workshopsnot casual or disposable use.. Industrial-Grade Brushless Motor Up to 3 Longer Lifespan The brushless design eliminates carbon brushes and dust buildup, dramatically extending motor lifespan. Rated for up to 40,000 hours, it offers up to 3 the service life of traditional brushed motorsideal for users who run their tumbler frequently or continuously.. Extra-Large 22 lb Single Barrel Up to 10 Higher Polishing Efficiency The 22 lb extra-large barrel allows polishing up to 10 more material per cycle, reducing batch frequency while handling larger stones with ease. Reinforced construction with six metal twist knobs ensures secure sealing and stability during high-volume operation.. Real-Time Motor Output Runtime Display Exclusive Feature An exclusive digital display shows total tumbling days, extra hours, and real-time watt output, allowing you to monitor motor load at any time. Even under full load, typical daily energy consumption stays below 0.5 kWh, making long-term heavy-duty tumbling both powerful and cost-efficient.. Full Metal Heavy-Duty Construction Maximum Stability, Reduced Vibration Built with a reinforced all-metal base and metal-clad barrel, the rigid structure minimizes vibration and maintains stability during extended operation. Compared to plastic-bodied tumblers, this design delivers superior durability and consistent polishing results over years of heavy use..

Rock Your World Dive into the world of geology with the BRYTE Mint Rock Tumbler. It's a fun way for kids age 8 and up to transform rough stones into shiny treasures with ease.. Customized Stone Polishing Choose how your stones sparkle with our direct-drive rock tumbler. The 9-day timer and self-cooling system let you polish sea glass and rocks to your perfect shine. Quiet Indoor Fun Enjoy peaceful rock tumbling in apartments or small spaces with our quiet rock tumbler machine. Its a great indoor toy to keep kids entertained without disturbing the household. Ultimate Gift for Kids Spark young geologists' curiosity with the rock kit perfect for birthdays. This beginner rock tumbling kit inspires creativity and is great for cool DIY jewelry projects. Complete Kit Adventure Start your rock tumbling journey with a full set including a barrel, tumbling grit, and guide. This rock and glass tumbler machine is all you need for hours of fun exploration.

Exclusive Design The FIRST and ONLY brushless motor rock tumbler available on the market.. 1 Year - Special Bonus Just for You The covers accessories replacement, techical support, and so on. .. EXCLUSIVE CUTTING-EDGE BRUSHLESS MOTOR -- With a robust brushless motor, this rock tumbler delivers lightning-fast and highly-effective tumbling action that leaves your gems and rocks polished to perfection. In addition, what makes us proud is that we are currently the FIRST and ONLY brushless motor rock tumbler available on the market.. 2.5LB LARGE CAPACITY 75 QUIETER -- An updated features is that C1 Pro Rock Tumbler has a large 2.5LB capacity. Which allows to tumbler more rocks each time. Another improvement is the quieter barrel. Rubber material which has 75 quieter than most plastic barrel.. FASTER POLISHING TIME BETTER POLISHING RESULTS -- 3-speed controls providing more granular tumbling results, a 9-day timer with automatic shutoff feature and memory function, all displayed on clear screen, letting you easily hone your settings for precise tumbling each time.. EVERYTHING YOU NEED FOR TUMBLING IS HERE -- C1 Pro Rock Tumbler has everything you need to create polished gemstones. Rock tumbler, 2.5LB capacity rubber barrel, 1LB for 9 different types of rough gemstones, 5 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. Just tumbling right away.

Two generous 3 lb. capacity drums. Rubber barrels for quieter operation.

TRANSFORM ROUGH ROCKS INTO SHINY GEMS Explore the fascinating world of geology by turning rough stones into polished gemstones. This hands-on kit is a fun and educational way for kids to discover the beauty of natural stones.. DELUXE KIT WITH 20 STONES 4 GRITS Start right away with 20 starter stones, four stages of grit, a replaceable band, and a motorized tumbler barrelall the essentials for a successful rock polishing journey.. QUIET RUBBER BARREL FOR HOME USE The durable rubber barrel reduces noise, allowing for a quieter tumbling experience, making it easy to use at home without disruptions.. SIMPLE OPERATION FOR ALL SKILL LEVELS Just add water, grit, and stones, then turn on the tumbler and watch it work. Perfect for beginners and budding rock collectors who want an easy, hands-on introduction to stone polishing.. GEM DISPLAY CASE INCLUDED Keep your polished gems organized and beautifully displayed with the included clear gem case, ideal for showcasing your growing collection.. STEM-APPROVED EDUCATIONAL FUN Aligned with STEM standards, this rock tumbler kit makes learning about earth sciences interactive and engaging, sparking curiosity in young scientists..

Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 5 extra belts absolutely free.. More Output, Less Waiting DOUBLE 4LB Barrels For Adults Serious Collectors Unlike single-barrel tumblers that force you to wait between stages, two 4LB barrels let you run different stones or polishing stages simultaneously. Handle larger batches, process multiple rock types at once, and complete projects up toup to 100 more output per session without extending individual run cycles. The rock tumbler for adults who want real results, not just a starter kit.. Parallel Tumbling For A Smarter, More Efficient Workflow Run coarse grinding in one barrel while advancing to fine polishing in the other or process stones of different hardness levels at the same time. This dual-barrel system doesn't just add capacity it eliminates the idle time between stages that single-barrel tumblers require, making your entire workflow fundamentally more efficient.. Heavy-Duty Brushless Motor Reinforced Metal Base Built To Outlast Unlike brushed motors prone to heat buildup and premature wear, the high-efficiency brushless motor in this heavy duty rock tumbler delivers stable, low-heat output for up to 40,000 hours over a decade of reliable use. The reinforced metal base reduces vibration and supports consistent operation through extended tumbling cycles. KomeStone was among the first to bring brushless motor technology to rock tumblers, with reliability validated by over 1 Million users in the U.S.. Smart Controls For Precise, Multi-Stage Polishing Program each stage with precision using 3 adjustable speeds and a 9-day programmable timer matched to your tumbling cycle. Auto shut-off and memory function allow safe, unattended operation so your stones keep polishing even when you step away. Smart control technology refined through extensive real-world use ensures consistent, repeatable results every time.. Complete Advanced Kit Everything You Need To Start Tumbling Includes 24LB rubber barrels, 2lb premium rough gemstones, complete 4-stage polishing grit set8 bags, 2 spare belts, screwdriver, jewelry findings, mesh strainer, and a full-color instruction manual Book everything required for a full multi-stage project right out of the box. Designed for serious hobbyists and collectors who want a more capable, efficient rock tumbling experience, it also makes a premium gift choice for enthusiasts and hobby starters alike.. - - Enjoy peace of mind with our extended 90-day refund guarantee and 1-year warranty. If you miss Amazon's 30-day return window, simply contact our - team for - .. KomeStone is designed for rock tumbling enthusiasts in the U.S., offering rock tumbling machines and grit systems for beginners and hobby users. The lineup includes the K Series K1, K1 Pro, K2 Elite with noise-reduction design, K4 dual-barrel model with upgraded motor, and K5 beginner-friendly model. The G Series includes G1 4LB, G2 8LB, and G3 22LB heavy-duty metal base. Select models feature upgraded motor designs, including brushless motor options. A complete grit system is also available for multi-stage tumbling, lapidary finishing, and gemstone polishing applications..

Create Your Own Gemstones Unleash your creativity and turn rough stones into brilliant, polished gems with our user-friendly polishing kit. It effortlessly converts ordinary rocks into beautiful, glossy treasures, and includes two jewelry accessories for you to design your very own gemstone pendants. Leak-Proof Design Our rock tumbler features a robust motor for long-lasting performance and a double-layer rubber-sealed barrel to effectively prevent leaks. With a noise-reducing cover that decreases sound by 65, this product is perfect for STEM education and hands-on learning experiences for kids.. Easy to Use Experience simple and enjoyable polishing with intuitive instructions and one-touch settings. Select a tumbling time of 1 to 5 days with the one-button timer, and let the automatic shutoff feature take care of the restset it and forget it for hassle-free fun. All-Inclusive Kit for Endless Creativity This comprehensive rock tumbling set comes with everything you need an electric rock tumbler, a noise-reducing cover, two sets of 4-stage polishing grit, two packs of rough stones, DIY jewelry settings, a measuring cup, and a detailed learning guide. Perfect for sparking outdoor rock hunting adventures and transforming ordinary stones into extraordinary gemsa great gift for aspiring young gemologists.. Effortless Cleaning with Removable Barrel Cleaning is a breeze with our removable barrel design Simply rinse with water after each use, allowing you to focus on the excitement of polishing rather than the cleanup. Enjoy endless polishing adventures without the hassle.

Soundproof Enclosure for Quiet Operation 2026 NEW UPGRADE ADVANCED FEATURES Our rock tumbler kit features a state-of-the-art soundproof enclosure that significantly 75 quieter than other models during the tumbling process. An ideal choice for indoor use, or for those who prefer a quieter environment. Unlike other tumblers that can be disruptive with their noise, ours allows you to enjoy the hobby without causing a disturbance Also an excellent STEM toys for kids ages 8-13.. Create Your Own Shining Gems Enhance your rock tumbling experience with our new model Featuring an integrated LED screen, a 9-day timer, 3 speed controls, and a pause and resume function. This allows you to customize your polishing process for exceptional results. Makes a great toy gift for girls and boys ages 8 It's also a great lesson about patience and geology for kids, or a great idea for mom making jewelry or dad collecting rocks.. All-Inclusive Kit for Convenience Our rock tumbler kit comes with everything you need to start tumbling rocks right out of the box. It include a variety of rocks, grit for different stages of polishing to create your own gemstone jewelry. The inclusion of a detailed instruction manual makes it easy for you to start tumbling like a pro. This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation.. High-Performance Motor, Built to Last Equipped with a powerful and reliable motor, our rock polisher tumbler kit ensures efficient and effective polishing. The strong motor not only speeds up the tumbling process but also handles larger batches with ease. It is a significant advantage over other kits with less potent motors that may struggle with larger or harder stones.. Easy-to-Clean Rubber Barrel Mess barrel often bothers you Our rock tumbler's rubber barrel is made easy to clean compare with other product. Cleaning up with water after each tumbling session is a breeze, allowing you to focus more on the hobby and less on the cleanup. This is particularly important for enthusiasts who plan to use tumbler frequently, as it guarantees that the barrel will maintain its performance over time..

DUAL-BARREL DESIGN WITH INDEPENDENT CONTROL This professional rock tumbler features a dual-barrel design, with each barrel holding up to 4LB including barrel, providing a total capacity of 8LB including barrel for polishing larger quantities of rocks, glass, or metals. Unlike other rock polishers, our barrels operate independently not speed, allowing you to run one or both barrels simultaneously. This flexibility is perfect for handling different materials or stages of polishing in a single machine, making it ideal for both beginners and experienced hobbyists.. QUIET DURABLE RUBBER BARRELS The stone tumbler machine is equipped with high-quality rubber barrels that are built to last. These barrels are not only durable and impact-resistant but also designed to minimize noise during operation. Whether you're running it at home or in a workshop, the reduced noise level ensures a more pleasant experience. The rubber material also protects your rocks and metals from damage, ensuring a smooth and consistent polish every time.. DIGITAL DISPLAY CUSTOMIZABLE SPEED SETTINGS Take full control of your tumbling process with the user-friendly digital display. This feature allows you to select from 9 adjustable speed settings and set a timer ranging from 1 to 9 days, giving you complete flexibility to tailor the polishing process to your specific needs. The visual interface makes it easy to monitor and adjust settings, ensuring precision and convenience for users of all skill levels.. PROFESSIONAL-GRADE DURABILITY AND PERFORMANCE Built to outlast ordinary rock tumblers, this double rock tumbler for adults is designed with robust materials and a powerful motor that ensures reliable performance, even during extended use. Its sturdy construction and anti-slip pads provide stability, while the smart safety feature automatically stops the machine if the barrels are removed. This professional-grade tumbler is a long-lasting investment for anyone serious about rock polishing.. PERFECT GIFT FOR ROCK AND CRAFT ENTHUSIASTS Whether you're looking for a unique gift or a tool to spark creativity, this rock polisher tumbler is the perfect choice. Its dual-barrel design, customizable settings, and professional-quality results make it a standout option for hobbyists, jewelry makers, and DIY crafters. It' s a thoughtful and practical gift that promises endless hours of fun and creativity for both kids and adults.. NOTE Overload Conditions may Activate Protective Shutdown Protocols in Induction Motors to Prevent System Damage..

- - Enjoy peace of mind with our extended 90-day refund guarantee and 1-year warranty. If you miss Amazon's 30-day return window, simply contact our - team for - . We offer to ensure your complete satisfaction.. DIVE INTO THE FUN ROCK TUMBLING KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones. Youll be excited to see the rocks change with each cyclea great lesson in patience for kids or inspiration for jewelry-making moms.. 2025 K1 PRO - PROFESSIONAL-GRADE TUMBLING INNOVATION Experience the future of rock tumbling with our K1 Pro's cutting-edge features a smart LCD screen with 9-day programmable timer, 3 precision speed settings, and pauseresume function for ultimate control. The brushless motor delivers 20,000 hours of quiet operation, while our military-grade thickened rubber barrel withstands years of continuous use. Create custom polishing recipes for museum-quality gemstones innovation that puts hobbyists in the professional league.. 2.5 LB EXTRA LARGE CAPACITY QUIETER We use the 100 soft rubber barrels which can absorb the impact of the tumbling rocks and its 75 quieter than that of other plastic drums, which likes the sound of a working dishwasher. With 2.5lbs extra large barrel, that means you can polish more rocks at once than 1 lb drum.. COMES WITH EVERYTHING YOU NEED Including the tumbler machine, the barrel, 1lb rough rocks, 6 belts, 4 polishing grits and ceramic filler media As a gift in package and other accessories, etc. Especially the full-color Instruction book, detailed and clear to follow, even a 4 year old kid knows how to use it independently.. SCIENCE-BACKED POLISHING FOR PRO-LEVEL RESULTS Achieve museum-quality shine with our 4-stage grit system 601201501200 and precision ceramic media. The leak-proof stainless steel lid ensures mess-free tumbling, while our exclusive guide unlocks pro techniques..

? KomeStone brand owns the design of this rock tumbler model.. ? ? ? . 90-Day Refund guarantee - ' ' - , . America local customer service.. DIVE INTO THE FUN ROCK TUMBLING The KomeStone rock tumbler is designed to transform rough, raw rocks into polished gemstones. Each cycle reveals the remarkable changes in the rocks, providing an excellent lesson in patience and geology for kids. It's a brilliant idea for moms who enjoy making jewelry and fathers who collect rocks.. 2023 NEW UPGRADE ADVANCED FEATURES This K2 Elite rock tumbler stands out as the sole option to feature a cutting-edge brushless motor and noise-reduction function among high-end models. This makes it an ideal choice for users sensitive to noise and those who prefer tumbling indoors, even in smaller or shared spaces. Additionally, you'll appreciate the benefits of receiving original manufacturer and brand-direct troubleshooting support, as well as lifetime accessory replacement services.. 3 LBS EXTRA LARGE CAPACITY ULTRA QUIETER Our rock tumbler features 100 soft rubber barrels that effectively absorb the impact of tumbling rocks, resulting in an ultra-quiet operation comparable to a working dishwasher. The generously-sized 3 lbs barrel allows you to polish a larger quantity of rocks in each batch.. COMES WITH EVERYTHING YOU NEED FOR ROCKS TUMBING Including the tumbler machine, 3 lbs barrel, 1 lb rough rocks, 1 extra belt 2 in total, one is on the wheel, 4 polishing grits and other accessories. Notably, it also includes a full-color instruction book that provides detailed and easy-to-follow guidance. Even an 8-year-old child can independently learn how to use it with clarity..

Complete Starter Kit Everything Included This rock tumbler kit includes a tumbler base, durable rubber barrel, 0.5 lb of assorted rough gemstones, 4 polishing grits, sifter, jewelry findings, 2 spare belts, and a full-color step-by-step guide. Designed so kids and starters can begin tumbling right out of the box without purchasing additional accessories.. Dual Noise-Reducing Safety Design A thick rubber barrel combined with a sound-dampening safety cover helps reduce operating noise compared with standard plastic-barrel tumblers. The protective cover also helps minimize accidental contact during use, making it more suitable for home environments.. Simple Digital Controls with Memory Function Equipped with 3 speed settings, a 9-day timer, pause-and-resume capability, and automatic memory that resumes the program where it stopped. The clear display and guided controls make it easier for beginners to manage each polishing stage.. Hands-On STEM Learning Activity An engaging, screen-free science project that introduces basic geology concepts while turning rough stones into polished keepsakes. Encourages patience, creativity, and hands-on learning for kids, starters, and hobby users.. Replacement Parts Available Ongoing Support Designed for long-term use, with replacement parts available if needed. Customer support is provided to assist with product questions or part replacement, helping ensure continued use over time.. - - - Includes a - and - for added peace of mind. If Amazons 30-day return window is missed, - to assist with replacement or refund requests. ?- to help keep the rock tumbler in working condition.. We have also prepared extra belts for your spare use at no cost. Reach out to our customer center to get some absolutely free..

? KomeStone brand owns the design of this rock tumbler model.. Belts are consumable, Please . K1 Classic Edition Elevating fun, simplicity, and flexibility beyond basic tumblers with advanced features. DIVE INTO THE FUN ROCK TUMBLING KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones, you will be very excited to see the rocks changes with each cycle. That will be a good lesson on patience and geology for kids or a good idea for mom's jewelry making.. 2023 NEW UPGRADE ADVANCED FEATURES Built with LCD screen, 9-day setting timer display, 3 speed controls, and pause resume function. These allow you to have different polishing recipes and steps. That means you can try to make the stone polish brighter, that's more fun.. 2.5 LB EXTRA LARGE CAPACITY QUIETER We use the 100 soft rubber barrels which can absorb the impact of the tumbling rocks and its 75 quieter than that of other plastic drums, which likes the sound of a working dishwasher. With 2.5lbs extra large barrel, that means you can polish more rocks at once than 1 lb drum.. COMES WITH EVERYTHING YOU NEED Including the tumbler machine, the barrel, 1lb rough rocks, 3 belts, 4 polishing grits and ceramic filler media As a gift in package and other accessories, etc. Especially the full-color Instruction book, detailed and clear to follow, even a 8 year old kid knows how to use it independently..

Ultra Quiet Brushless Motor with Noise-Canceling Cover Powered by a next-generation brushless motor, this rock tumbler delivers smooth, stable polishing with over 20,000 hours of lifespan. The noise-canceling cover and dual rubber barrels reduce sound by up to 75, making it ideal for homes, classrooms, and shared spaces.. 7Lbs Dual Barrel Capacity for Efficient Polishing Polish more rocks at once with two independent barrels. Perfect for running coarse and fine grit simultaneously, this rotary tumbler is ideal for agates, gemstones, crystals, and jewelry preparation.. Precision Digital Control with 4 Speeds 9-Day TimerThe intuitive digital panel offers full control over speed and polishing time. Features include auto shutoff, memory recall, and hands-free operation, ensuring consistent and repeatable results for beginners and professionals.. Complete Rock Tumbler Kit with Full AccessoriesIncludes natural rocks, multiple polishing grits, ceramic media, belts, jewelry findings, strainer, and a step-by-step guide. A perfect STEM learning kit for kids, parents, educators, and hobbyists.. U.S.-Based Support, Warranty Spare Parts Backed by a 1-year warranty and lifetime technical support. Replacement belts and accessories are available anytime, providing long-term reliability and peace of mind.. We have also prepared extra belts for your spare use at no cost. Reach out to our customer center to get some absolutely free.. - - - Includes a - and - for peace of mind. If Amazons 30-day return window is missed, - to assist with replacement or refund requests. ?- to help keep the rock tumbler in working condition..

The FIRST and ONLY Noise-Reduction Brushless Motor Rock Tumbler on the Market Upgrade Your Rock Polishing Experience. 1 Year - Special Bonus Just for You The covers accessories replacement, techical support, and so on. .. CUTTING-EDGE BRUSHLESS MOTOR, UNMATCHED IN THE MARKET -- C1 Pro Max rock tumbler boasts an unbeatable brushless motor, providing lightning-fast and highly effective tumbling action that leaves your gems and rocks polished to perfection. We take pride in being the pioneers of the brushless motor rock tumbler, currently the first and only one available on the market.. 6X QUIETER WITH NOISE-REDUCTION COVER, PERFECT FOR INDOOR ROCK TUMBLING -- Experience the tranquility of tumbling with the noise-dampening cover that makes tumbling operations quieter than ever before. Ideal for enthusiasts who enjoy tumbling indoors or have limited space. Moreover, the rubber barrel reduces noise by 75 compared to other plastic barrels.. EXPEDITED POLISHING AND SUPERIOR RESULTS -- With 3-speed controls allowing for more precise tumbling, a 9-day timer featuring automatic shutoff and memory function, all conveniently displayed on a clear screen, you can effortlessly hone your settings for impeccable polishing results every time.. EVERYTHING YOU NEED FOR GEMSTONE POLISHING RIGHT AT YOUR FINGERTIPS -- The KoolStone Rock Tumbler includes a complete set of tools required for creating exquisite polished gemstones. Unbox and discover the rock tumbler itself, equipped with a 3LB capacity rubber barrel, 1LB of rough gemstones in 9 different varieties, 2 durable belts, 4 types of polishing grits, a sifter, mesh strainer and ceramic pellets,along with jewelry fastenings and an illustrated tutorial guide. Start tumbling right away.

Belts are consumables, ' . ? ? .. 2 Years - Special Bonus Just for You The covers accessories replacement, techical support, and so on. .. START A TUMBLING JOURNEY -- Koolstone Rock Tumbler turn rough rocks into polished gems, then you will be very excited to see the stones change with each cycle. That's a fun process of rock tumbling and a family little project for parent-child endeavor.. 2.5LB LARGE CAPACITY 75 QUIETER -- An updated features is that KoolStone Rock Tumbler has a large 2.5LB capacity. Which allows to tumbler more rocks each time. Another improvement is the quieter barrel. Rubber material which has 75 quieter than most plastic barrel.. FASTER POLISHING TIME BETTER POLISHING RESULTS -- 3-speed controls providing more granular tumbling results, a 9-day timer with automatic shutoff feature and memory function, all displayed on clear screen, letting you easily hone your settings for precise tumbling each time.. EVERYTHING YOU NEED FOR TUMBLING IS HERE -- KoolStone Rock Tumbler has everything you need to create polished gemstones. Rock tumbler, 2.5LB capacity rubber barrel, 1LB for 9 different types of rough gemstones, 6 belts and 4 polishing grits and ceramic contact media, sifter, jewelry fastenings, and illustrated tutorial guide. Just tumbling right away.

KoolStone C5 Series Perfect for Beginners. Designed for first-time users, the C5 combines a beginner-friendly exterior with smart controls and a colorful, intuitive interface. Step-by-step guidance ensures a smooth, successful start. Includes a full-color polishing guide with tips, stage recommendations, and fun rock factsmaking rock polishing easy, educational, and enjoyable from day one.. Dual Noise-Reduction Up to 85 Quieter Tumbling. The C5s dual noise-reduction designpremium rubber barrel plus noise-reduction lidcutting noise by up to 85 compared with standard plastic barrels. Smooth, soft, and quiet, perfect for shared spaces or nighttime use.. The 1st Smart Tumbler for Beginners True smart control in a simple, one-touch design. The 3-speed, 9-day polishing program removes guesswork, guiding beginners from start to finish. PauseResume feature lets you stop and continue anytimesmart, simple, and stress-free.. Everything You Need to Create Polished Gemstones Rock tumbler, rubber barrel, 0.5LB of 8 types of rough gemstones, 2 belts, 4 polishing grits, sifter, jewelry fastenings, and illustrated tutorial guide. For even longer use and better results, pair with KoolStones 4LB Professional Polishing Grit sold separately.. Fun, Educational Kid-Friendly STEM Gift Designed with a truly kid-friendly setup, the C5 makes it easy and exciting for young explorers to turn ordinary stones into shiny treasures. A perfect birthdayChildren's Daychristmas gift for kids, beginners, and young rock collectorsengaging, educational, and full of festive holiday fun for the whole family.. Official KoolStone Warranty ? - - . Your purchase is protected by KoolStones official - and a - - ?. Shop with confidence were here to support your tumbling journey..

? ? , .. ?.. 10LBS LARGE ROCK TUMBLER GRIT KIT Includes Step 1 60 Coarse Silicon Carbide Grit 2LBS, Step 2 150 Medium Silicon Carbide Grit 2LBS, Step 3 Pre-Polish 600 Fine Silicone Carbide 1.5LBS, Step 4 1200 Aluminum Oxide Final Polish Grit 1.5LBS, ceramic tumbling media 2LBS and plastic pellet tumbling media 1LB.. POLISH UP TO 50LBS ROCKS Effortlessly polish rocks weighing up to 50lbs with our kit. Ensuring you have ample supplies for multiple projects.. REUSABLE CERAMIC PLASTIC PELLET TUMBLING MEDIA Ceramic tumbling media is used for heavier polishing grinding processes. Plastic pellet is for light polishing grinding processes. Both of them are reuseable.. COMPATIABLE WITH ANY TUMBLER Suitable for both professional lapidarists and hobbyists, this grit kit enables you to achieve professional-grade tumbling and polishing results at home.. High-Quality Materials Our grits and tumbling media are made from durable and long-lasting materials, ensuring consistent performance and reliable results..

KoolStone Rock Tumblers for Every Level Choose from our versatile lineup the C1 and C1 Pro 2.5 lb capacity Pro features a brushless motor for quieter, more efficient operation, the C1 Pro Max 3 lb capacity with noise-reducing cover, and the C1 Pro Ultra dual barrel, 7 lb capacity, brushless motor, and noise-reducing cover. Each tumbler is designed to deliver consistent, high-quality results for both beginners and experienced rock collectors.. All-in-One Tumbling Solution This complete 4 lb grit kit includes everything needed for a full 4-step rock tumbling process. Each set contains 1 lb of Step 1 60-grit coarse silicon carbide, 1 lb of Step 2 150-grit medium silicon carbide, lb of Step 3 600-grit fine silicon carbide, lb of Step 4 1200-grit aluminum oxide polish, and 1 lb of ceramic tumbling media for optimal barrel balance and smooth tumbling action.. Professional-Grade Results for Every Level Designed to deliver consistent, high-quality finishes from rough shaping to final polishing. Whether youre a beginner or an experienced lapidarist, this kit ensures a flawless transition through each stage for glossy, professional-grade stones.. High Efficiency Polish up to 25 lbs of Rocks Each set provides enough grit and media to process up to 25 lbs of stones across multiple batches. Ideal for continuous projects or large-capacity tumblers, ensuring cost-effective and efficient tumbling sessions.. Recommended Usage For optimal results, use about 2 tablespoons 2530 g of grit per 1 lb of stones in each stage. Add just enough water to cover the stones inside the barrel and tumble for 710 days per step, checking periodically and adding water if needed to maintain smooth rotation. Adjust tumbling time slightly depending on stone hardness and size.. Compatible with All Rock Tumblers Suitable for both rotary and vibratory tumblers. Perfect for hobbyists, classrooms, and professional workshops alikeKoolStone grit kits are engineered to help you transform rough rocks into smooth, glass-like gems with ease and precision..

KoolStone Rock Tumblers for Every Level Choose from our versatile lineup the C1 and C1 Pro 2.5 lb capacity Pro features a brushless motor for quieter, more efficient operation, the C1 Pro Max 3 lb capacity with noise-reducing cover, and the C1 Pro Ultra dual barrel, 7 lb capacity, brushless motor, and noise-reducing cover. Each tumbler is designed to deliver consistent, high-quality results for both beginners and experienced rock collectors.. All-in-One Tumbling Solution This complete 6 lb grit kit includes everything needed for a full 4-step rock tumbling process. Each set contains 2 lb of Step 1 60-grit coarse silicon carbide, 2 lb of Step 2 150-grit medium silicon carbide, 1 lb of Step 3 600-grit fine silicon carbide, 1 lb of Step 4 1200-grit aluminum oxide polish.. Professional-Grade Results for Every Level Designed to deliver consistent, high-quality finishes from rough shaping to final polishing. Whether youre a beginner or an experienced lapidarist, this kit ensures a flawless transition through each stage for glossy, professional-grade stones.. High Efficiency Polish up to 40 lbs of Rocks Each set provides enough grit and media to process up to 40 lbs of stones across multiple batches. Ideal for continuous projects or large-capacity tumblers, ensuring cost-effective and efficient tumbling sessions.. Recommended Usage For optimal results, use about 2 tablespoons 2530 g of grit per 1 lb of stones in each stage. Add just enough water to cover the stones inside the barrel and tumble for 710 days per step, checking periodically and adding water if needed to maintain smooth rotation. Adjust tumbling time slightly depending on stone hardness and size.. Compatible with All Rock Tumblers Suitable for both rotary and vibratory tumblers. Perfect for hobbyists, classrooms, and professional workshops alikeKoolStone grit kits are engineered to help you transform rough rocks into smooth, glass-like gems with ease and precision..

Rock Tumbler Kit for Adults Includes tumbler, 0.5lbs of walnut shell media, 1 piece of timing belts, and instructions. Timing belts has greater flexibility and abrasion resistance than normal belt.. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 3LB Leak Proof Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the barrel is 75 quieter than other barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

Packaging List Includes tumbler, 20.5lbs of walnut shell media, five v-belt, and instructions. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 2x3 LB Leak Proof Rubber Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the tire rubber is 75 quieter than plastic barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for children and adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

Double Drum 6LB Rock Tumbler.

Double Drum 6LB Rock Tumbler.

Package include 3lb barrel for rock tumbler.. Convenient Our Rock Tumbler Barrel is made from durable rubber and with a leak-proof lid.. Easy to Use To polish rocks or metal parts, add a media and let the machine do all the work for you.Ideal for tumbling stones and jewelry components.. Noise Reduction Technology With our Rubber Barrel, you can enjoy quieter rock tumbling sessions without compromising the quality of the final polish.. Enhanced Tumbling Efficiency The Barrel boasts a spacious 3LB capacity, allowing you to tumble larger quantities of rocks and achieve stunning results in each batch..

Rock Tumbler Kit for Adults Kids Includes tumbler, 20.5lbs of walnut shell media, 1 piece of timing belts, and instructions. Timing belts has greater flexibility and abrasion resistance than normal belt.. Easy To Use and Maintain Designed for user-friendly and easy to maintain, making it accessible for people of beginers and professional. Simply load the tumbler with rough rocks, add media and let it run for a few days to achieve polished results.. 3LB Leak Proof Barrel To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. The rock polisher tumbler with cover is 40.6 quieter than others', and the tire is 75 quieter than other barrels.. Fun Rock Tumbling Our Rock Tumbler is an extremely popular hobby for children and adults alike. Collect rough rocks and turn them into colorful gems, you will be very excited to see the rocks changes with each cycle.. If you have any problem when you use the rock tumbler machine, please feel free to contact us,we will reply to you within 24 hours and solve your issue..

Power Adapter 120V60Hz Barrel Capacity 2 3LB. Packaging List Includes tumbler, 20.5lbs of walnut shell media, five v belt, and instructions. Professional Features The durable motor allows you to tumble multiple batches of rocks. An improved, leak-proof barrel is lined with rubber for quieter operation. Easy to Use Detailed tumbler instructions lead you step by step through the rock tumbling process. With a manufacturer warranty you can be sure you will get a quality gift..

DURABLE 10LB REPLACEMENT ROCK TUMBLER BARREL Designed for reliable performance, this 10lb capacity rock tumbler barrel is ideal for polishing stones, minerals, and gemstones. Built for consistent tumbling results, its a dependable replacement or upgrade for your rock tumbler setup.. LEAK-RESISTANT SECURE SEAL DESIGN Constructed from commercial-grade polymer, this barrel features a tight-sealing lid and heavy-duty rubber cap to help prevent leaks during operation. Designed for both wet and dry use, it keeps contents secure while tumbling.. OPTIMIZED TUMBLING PERFORMANCE Internal fins help keep rocks and grit moving evenly throughout the tumbling cycle, promoting consistent mixing and efficient polishing. The design supports steady rotation for improved results across all polishing stages.. EASY LOADING USER-FRIENDLY DESIGN The tapered neck allows for quick and easy loading and unloading of stones and grit. Simply add your materials, secure the cap, and begin tumblingmaking it ideal for both beginners and experienced users.. HEAVY DUTY, LOW MAINTENANCE CONSTRUCTION Made from wear-resistant plastic, this barrel is built to handle repeated use while maintaining its shape and performance. Easy to clean and maintain, its designed for long-term use in rock polishing projects..

PROFESSIONAL TUMBLING - The Ultimate Tumbler delivers spectacular results with unparalleled ease of use With its large 2-pound barrel, 3 selectable speeds and timer with settings for days and hours.. QUIETEST TUMBLER - The Ultimate Rock Tumbler's all-new design includes a sound-dampening cover that makes tumbling quieter than ever, perfect for enthusiasts who tumble indoors, or in smaller or shared spaces.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need to get started, including 1 pound of rough rocks, 4 bags of grit, 5 jewelry fastenings, a newly designed strainer, and our exclusive GemFoam rock polisher for a brilliant finish. USE GEMFOAM FOR DAZZLING RESULTS - Your tumbled rocks will have an incredible shine thanks to our reusable GemFoam rock polisher. Just add GemFoam and water to the barrel after your final tumbling stage for a brilliant finish. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

HIGH QUALITY - This rock polisher grit refill pack comes with enough high-quality silicon carbide grit to put a dazzling polish on up to 20 lbs. of rocks, gems, glass, and more. EASY TO USE FOUR-STAGE ROCK GRIT - The first rock tumbling grit stage provides initial shaping, the second smooths rock surfaces, the third pre-polishes rocks, and the fourth provides the final polish. COMPATIBLE WITH ALL TUMBLERS - This complete 4-step rock tumbler grit refill kit works with all rock tumblers. For best results, use with National Geographic Rock Tumblers and rock tumbling supplies. EASY TO MEASURE AND STORE - Each rock tumbling grit stage is packaged in a wide-mouth container with secure, screw-top closure.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST Our high-quality tumblers are made with a durable motor thats designed to last for years. The leakproof rubber barrel reduces sound, making it 75 quieter than other plastic models. An excellent STEM activity for kids.. A COMPLETE HOBBY TUMBLING KIT - Everything you need to create polished gemstones the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys. EASY TO USE Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it This is a great gift for kids.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

QUALITY GRIT RESULTS IN A DAZZLING POLISH - The rock polishing grit in this pack is high-quality silicon carbide and will polish 8-10 lbs of rocks, includes measuring scoop and storage containers with secure screw-top closures for easy storage. IMPROVE YOUR ROCK TUMBLING RESULTS Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, quieting tumbler noise, reducing rock breakage, and acting as a filler for smaller batches. BRAND NEW WAY TO MAKE TUMBLED ROCKS SHINE GemFoam is a unique new rock polisher media that gives unprecedented shine to tumbled rocks. Just add the patent-pending rock polishing media to your tumbler after the final grit cycle for great results. WORKS WITH ANY ROCK TUMBLER The tumbling supplies in this set are safe to use with any rock tumbler. The tumbling grit, ceramic pellets, and GemFoam together improve rock tumbling performance and yield impressive results. HIGH-QUALITY EDUCATIONAL TOYS - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service..

GEMSTONES OF 9 VARIETIES - Tiger's Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Hematite 1 lb. total. FOUR GRADES OF GRIT - Coarse, medium, fine, polish. Transform your stones from rough rocks to dazzling gemstones. JEWELRY FASTENINGS - 1 necklace, 1 set of earrings, 1 keychain, 1 ring. Create custom jewelry from your newly polished gemstones. DETAILED LEARNING GUIDE - Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts.. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

ENORMOUS VARIETY - This rock tumbler refill kit has 5 pounds of unpolished rocks and gemstones consisting of 2 pounds of gemstone mix, 1 pound of agate mix, 1 pound of Madagascar mix, and 1 pound of jasper mix.. ROCK POLISHING GRIT There are 20 total rock tumbler grit packets in the kit, enough for five complete tumbling cycles with any rock tumbler. JEWELRY SETTINGS Once your rocks are polished, use the 5 included jewelry settings to create beautiful keepsakes or use the included storage pouch to keep your favorite specimens all in one place. DETAILED LEARNING GUIDE The learning guide includes polishing instructions along with fascinating information about the stones in the kit.. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right.

Gemstones of nine varieties Tigers Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper. 3lb in total. Four grades of grit. Coarse, Medium, Fine, Polish. Transform your stones from rough rocks to dazzling gemstones. Jewelry fastenings. 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring. Create custom jewelry from your newly polished gemstones. Learning guide. Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults This starter rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.. A TUMBLER THAT'S MADE TO LAST - The durable motor allows you to tumble multiple batches of rocks. An improved, leak-proof barrel is lined with rubber for quieter operation while tumbling on the sturdy tumbler base.. ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some You get a pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, and our four-stage rock polishing grit.. EASY TO USE AND EDUCATIONAL - Detailed tumbler instructions lead you step-by-step through the rock tumbling process, A full-color learning guide details how rocks are naturally polished and has fascinating facts about the gemstones in the kit.. AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience.

FAST Our unique design means a faster gemstone polish experience. Polish stones in half the time. COMPLETE KIT Includes rock tumbler, power cord, 3 types of unpolished gemstones, polishing powder, and easy to follow instructions. NO LEAK Our rock tumbler securely fastens and does not leak like so many others. EASY TO USE All ages and skill levels can get started quickly and easily 100 Satisfaction. AUTHENTIC NATURE BOUND BRAND - The finest nature toys available - guaranteed.

STAGE 1 OF 4 STEP ROCK TUMBLING MEDIA GRIT Two 1 lb. jars of Stage 1 media grit for transforming rocks and gemstones into beautiful treasures. Contains a total of 2 lb. Coarse 6090 Silicon Carbide Grit.. COMPATIBLE WITH ALL TUMBLERS - Our universal grit is designed for any rock tumbler. Elenco, Lortone, National Geographic, Smithsonian, Thumler and more. SUPERIOR PACKAGING - Packaged in durable, re-usable jars to prevent messy spills and to safely store unused product for later.. MADE IN THE USA Polly Plastics is an American company with American sourced materials for superior quality control and reduced risk of contaminants.. BEGINNER FRIENDLY - 100 satisfaction guarantee on all our products..

Large 17lb Capacity Stainless Steel hexagon drum with removable rubber liner. Heavy Duty Powder Coating. Fan cooled motor made ideally for Rock Tumbling. Most durable of its class. Quiet rock tumbler. Care instructions Hand Wash Only.

Professional-Grade Performance For Serious Hobbyists Designed for adults, hobbyists, and collectors who want more than basic entry-level tumblers. This professional rock tumbler kit combines precision control, durable construction, and reliable performance to help achieve consistent polishing results through every stage of the tumbling process. Ideal for polishing agates, jasper, tiger eye, quartz, and other popular gemstones.. Brushless Motor Heavy-Duty Metal Base Built To Last Unlike traditional brushed motors that generate heat, carbon dust, and performance loss over time, the advanced brushless motor delivers stable power with reduced heat buildup for extended tumbling cycles. Combined with a reinforced heavy-duty metal base, this metal rock tumbler provides improved stability, reduced vibration, and long-term durability. Trusted by over 1 million users across KomeStone brushless rock tumbler models.. 4lb Large-Capacity Rubber Barrel 75 Quieter For Home The extra-large 4LB barrel handles larger batches of stones while reducing noise by up to 75 compared to plastic barrels. Made from durable tire-grade rubber, it absorbs vibration and helps create a quieter tumbling experience during multi-day polishing cycles. Ideal for garages, hobby rooms, workshops, and other indoor spaces.. Smart Control 3 Speeds, 9-Day Timer, Auto Shutoff Memory Function Fine-tune every polishing stage with three adjustable speeds and a programmable 9-day timer. Auto shutoff powers the machine down automatically when the cycle is complete, while memory function resumes operation using your previous settings after pauses or inspections. Designed for safer and more convenient unattended operation throughout long polishing projects.. Complete Rock Tumbler Kit Ready To Start Polishing Everything needed to begin tumbling right out of the box. Includes a 4LB rubber barrel, premium rough gemstones, 4-stage silicon carbide polishing grit set 8 bags, 2 spare drive belts, jewelry findings, mesh strainer, screwdriver, and a full-color instruction guide. Whether you're upgrading from a smaller tumbler or starting a new project, this complete kit helps you achieve professional-quality polishing results from day one.. Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 5 extra belts absolutely free ... - - Enjoy peace of mind with our extended 90-day refund guarantee and 1-year warranty. If you miss Amazon's 30-day return window, simply contact our - team for - .. KomeStone Built for Rock Tumbling Enthusiasts in the U.S. From the popular K1 series to upgraded brushless motor models, KomeStone focuses on dependable performance and user-friendly design. Our lineup covers different needs K Series K1, K1 Pro, K2 Elite low-noise, K4 dual-barrel, K5 beginner-friendly G Series G1 4LB, G2 8LB, G3 22LB heavy-duty. We also offer a complete multi-stage grit system. KomeStone is committed to reliable tools and ongoing support for rock tumbling hobbyists..

4-Step Complete Rock Tumbler Polishing Grits Kit This is a complete polishing grits kit for 4 tumbling steps for rock tumblers. 4 bottles of polishing grits, weights 6lbs.. Easy to Measure and Store It comes with two small spoons and independent packaging for each grits, easy to measure when use and store, with no mess. Add two spoons of grits for every 1 lb of rocks for each step. More rocks, more polishing grits should be added for better results. Works for any rocks and rock tumblers.. High Quality and Quantity Polishing Grits Grit 1 Silicon Carbide, Grit 2 Silicon Carbide, Grit 3 Silicon Carbide, Grit 4 Aluminum Oxide.. KomeStone's Comprehensive Kit Discover the ultimate rock tumbling kit. Choose from our versatile range of models - K1 professional and advanced, K1 Pro with a cutting-edge brushless motor, K2 featuring noise reduction and a brushless motor, and the K3 hobby rock tumbler. Suitable for all ages, it's the perfect gift guide even a 4-year-old can master its use.. Explore Further Elevate your rock tumbling with our range of accessories. From rough rocks to high-performance polishing grits and ceramic pellets, we have all you need for flawless results. Compatible with various rocks and tumblers, our accessories enhance your lapidary journey..

You will get a sifter set includes a frame and three replacement mesh. Mesh holes are 3 6 9 mm respectively. Made of stainless steel, which is stronger and more sturdy than plastic and wood products. The mesh can be replaced at any time as needed to meet various usage scenarios. The groove design can make the mesh and frame fit better. It can be applied to soil sfiter, rock sifter and sand sifter, etc.

Belt-Free Direct-Drive Motor This rock tumbler kit uses a low-voltage direct-drive motor for smoother, more efficient polishing without belt transmission, eliminating belt wear and replacement while reducing maintenance costs. It runs at 35 dB, letting you enjoy a quiet and comfortable creative experience. Even Polishing Results This rock polishing kit comes with 8 types of rough stones, each with unique textures and colors. Whether you are a beginner or an experienced enthusiast, it helps you transform rough stones into beautiful gems, bringing out their natural shine and beauty. Flexible Adjustment Our stone tumbler features a 1- to 9- day timer and 4 speed levels ranging from 75 RPM to 120 RPM, meeting polishing needs for different materials and stages. With overload protection and power-off memory, it automatically resumes the remaining cycle after outages. The constant-speed design ensures more uniform and consistent results. High Load Capacity This rock polisher comes with a 2 lbs heavy-load barrel that holds more rocks at once, greatly improving polishing efficiency. The large capacity saves time, ensures even polishing, and reduces frequent refills for easier operation. Complete Kit The rock tumbler kit ncludes manual, assorted rough stones, round abrasives, microcrystalline silicon carbide, polishing powder, filter sieve, hollow shaker balls, single rings, pendant cords, flat ring bases, and adapter. With all accessories provided, it is perfect for home crafting or parent-child activities, letting you fully enjoy the transformation from rough stones to sparkling gems.

Stable Polishing This stone tumbler machine employs a belt-free direct-drive motor for smooth, stable polishing. Low-voltage technology reduces belt-related maintenance, while 35dB operation ensures quiet, uninterrupted crafting from raw stones to polished gems. Noise Reduction The rock polishing kit combines a PC noise cover, TPU drum, and belt-free direct-drive motor for triple sound reduction. This design minimizes vibration and friction, extends the tumbler's longevity, and maintains smooth, quiet operation during polishing. Adjustable Settings Our rock polisher includes a 19 day timer and 4 adjustable speeds from 75 to 120 RPM, handling different materials and stages. Overload and power-loss memory functions resume interrupted cycles, and constant-speed design delivers even polishing throughout. Efficient Tumbler Equipped with a 3 lb1.36 kg drum, this stone polishing kit accommodates more stones in a single batch, enhancing work efficiency. High-load capacity delivers consistent results and reduces repeated loading, letting users enjoy smooth and convenient polishing sessions. Complete Tumbler Set This stone polisher set includes 8 types of raw stones, ceramic grit, micro diamond powder, polishing powder, filter strainer, shaker ball, rings, cords, adapters, and a manual. It allows beginners and enthusiasts to turn rough stones into sparkling gems effortlessly.

Easy to Create Your Gemstones - Rock tumblers for adults are a fantastic and exciting activity for all ages. You can definitely use rocks you find at parks or gem mines Just make sure they're non-porous, reasonably hard, and sized under 1.5 inches for this tumbler.. Many types of rocks can be polished successfully in a rock tumbler The VIYUKI Rock Tumbler Kit you're looking at can handle various rock types. Rock Tumbler Easy to Set Up The VIYUKI Rock Tumbler Kit comes fully assembled and ready to useno assembly required. Unbox it, add your rocks and grit, and start tumbling. 6LB rock tumbler machine, the ease and straightforwardness of setting up. The full-color instruction guide walks you through each step, making it perfect for beginners. Complete Rock Tumbler Kit Rock tumbler for adults, Includes rock stone tumbler base, Replacement tumbler belt5pc, 6-pound capacity barrel for grinding more Stones,2 bag assorted gems 2Lb920g8 bags polishing grits for 4 Steps,5 jewelry settings, extra screwdrivermesh stranier and 1 operating detailed instruction guide. That will ensure a great finished product.. 3LB 2 Rock Tumbler Easy to Use Simple hobby rock tumbler kit and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it, and forget it This is an ideal Christmas gift for adults. A Fun and Educational Gift Rough gemstones for a rock tumbler, make any stone sparkle, and polish everyday rocks into dazzling gemstones It fascinates adults when they open the box. It fosters a love for science, geology, and mineralogy in a fun and exciting way.This gives parents confidence during holiday gift shopping, especially for STEM-minded kids and family creators.. Official VIYUKI Warranty ? - - . Your purchase is protected by VIYUKI official - and a - - ?. Shop with confidence were here to support your tumbling journey.Note detailed setup videos and FAQs..

Create Your Gemstones Best rock tumblers make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into shiny, polished gemstones, thanks to its simple operation and durable design.. Control with 3 Speeds 7-Day Timer The digital panel gives you full control over every stage. Choose from 3 speed levels, program up to 7 days, and enjoy features like auto shutoff, memory recall, and a polishing progress log. Ideal for repeatable, hands-free use, this polishing machine delivers consistent results.. Complete Hobby Tumbling Kit Tumbler kit includes low-noise barrel, polishing grits4 bags , rough gemstones 0.5 lb in a bag, jewelry fastenings, extra screwdrivermesh strainer, and a detailed operating instruction. Sturdy and holds a good amount of rocks. Quiet rubber drum.. Easy to Use Rock tumblers are small machines, usually small enough to rest on a tabletop. Rotary tumblers' simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it Ideal gift for interested found exploring nature.. A Fun and Educational Hobby For All Ages No matter how old you are, rock collecting can be a fun, interesting hobby. It doesnt require any special knowledge all you have to do is find a few rocks that catch your eye in your yard, and youre ready to go but you can learn quite a bit along the way about different types of rocks and how theyre formed.. Official VIYUKI Warranty ? - - . Your purchase is protected by VIYUKI official - and a - - ?. Shop with confidence were here to support your tumbling journey..

heavy-duty, professional-quality tumbler. 15lb. capacity. Continuous-duty motor is fan-cooled, with overload protection. Steel hexagon barrel with removable rubber lining for long, efficient, and quiet operation. 5-year guarantee on barrel and liner.

Dimensions 11.5L x 12.5W inches. Professional quality rock tumbler. Two one-sided molded-rubber barrels. 12 lb. Total capacity. Polishes stones, brass, glass and beads.

Weight 5 lbs. One year warranty. Tumbler dimensions 9-14 x 5-34 x 2-12. Barrel dimensions 4-34H x 4-12 Diameter. Model 3A tumbler with a simple 3 lb. capacity barrel offers the user economy and performance. Designed for years of trouble free service the 3A is a real workhorse. The barrel is hard rubber to minimize noise and the durable motor will last for years. Simple to operate and UL approved.

COMPLETE ROCK TUMBLING KIT - Everything you need to create polished gemstones tumbler, low-noise barrel, half pound of gemstones 9 different types, four polishing grits, sifter, jewelry fastenings, detailed full-color learning guide.. TURN ROUGH ROCKS INTO POLISHED GEMS - Make any stone sparkle and polish everyday rocks into dazzling gemstones Simple operation and durable design.. DURABLE QUALITY - This high-quality tumbler has a powerful motor that will last for years. Noise reducing leak-proof rubber barrel with stainless steel lid.. EASY TO USE - digital 9-day timer with automatic shutoff feature, 3 speed settings, beautiful LCD screen.. EDUCATIONAL AND FUN GIFT FOR ALL AGES - Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science. Exquisite packaging, fashionable appearance. If you need more belts or other accessories, please contact our customer service. We will send it to you for free..