KomeStone Ultra Quiet Brushless Rock Tumbler Kit

KomeStone Ultra Quiet Brushless Rock Tumbler Kit – 7lb Capacity Dual-Barrel with Noise-Canceling Cover, Up to 6× Quieter, Include All Accessories, Professional Rock Polisher for Adults & Gift Giving
- 𝐍𝐞𝐞𝐝 𝐞𝐱𝐭𝐫𝐚 𝐛𝐞𝐥𝐭𝐬 𝐨𝐫 𝐬𝐭𝐨𝐧𝐞𝐬 ($𝟑𝟎 𝐯𝐚𝐥𝐮𝐞)? Reach out after purchase for free spares - to keep your tumbling running at its best.
- 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲 & 𝟗𝟎-𝐃𝐚𝐲 𝐌𝐨𝐧𝐞𝐲-𝐁𝐚𝐜𝐤 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞: 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 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 team for 𝐡𝐚𝐬𝐬𝐥𝐞-𝐟𝐫𝐞𝐞 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐚𝐬𝐬𝐢𝐬𝐭𝐚𝐧𝐜𝐞. We offer 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 to ensure your complete satisfaction.
- Ultra Quiet Operation with Brushless Motor & Noise-Canceling Cover: Powered by a next-generation brushless motor, the KomeStone K4 delivers smooth, stable operation with a lifespan of over 20,000 hours—equivalent to over 10 years of weekly use. Paired with our custom noise-canceling cover and dual rubber barrels, this rock tumbler kit is up to 6× quieter than others. Compared to plastic-barrel models, it reduces noise by up to 75%, making it ideal for homes, classrooms, and shared spaces.
- 7lb Dual-Barrel Capacity for Polishing More at Once: This dual-barrel rotary tumbler handles up to 7 pounds of rocks in one cycle—perfect for polishing coarse and fine grit simultaneously. Whether you’re restoring gemstones or prepping materials for jewelry, this stone polisher offers high-volume performance in a compact footprint, great for hobbyists, crafters, and serious collectors.
- Precision Control with 4 Speeds & 9-Day Timer: The digital panel gives you full control over every stage. Choose from 4 speed levels, program up to 9 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 with zero guesswork.
- Complete STEM Kit with Full Accessories for Kids & Adults: Everything you need is included: 2 lbs of assorted rocks, 8 polishing grits, ceramic pellets, jewelry findings, belts, strainer, and a colorful step-by-step guide. Great for beginners and seasoned tumblers alike, this STEM-friendly rock tumbler kit is perfect for kids, parents, educators, and DIY enthusiasts.
- U.S.-Based Support, 1-Year Warranty, Lifetime Help: Your purchase is backed by KomeStone’s commitment to customer satisfaction. We offer a 1-year warranty covering free replacement of all accessories, plus lifetime technical support from our dedicated U.S.-based team. Whether you’re using this quiet rock tumbler for agates, gemstones, or jewelry polishing, we’re here every step of the way—ensuring peace of mind for beginners and pros alike.
- Spare Belt Support – We're Always Here to Help: The belt may wear out for long-term use. If it breaks or if you’d like to keep spares on hand, feel free to reach out anytime after purchase—we’ll be happy to send you some extras.
Country USA
Brand KomeStone
Manufacturer KomeStone
Binding Toy
ItemPartNumber KS1030RT74
Model KS1030RT74
Color Black & Blue
UnitCount 1
ReleaseDate 0000-00-00

Country	USA
Brand	KomeStone
Manufacturer	KomeStone
Binding	Toy
ItemPartNumber	KS1030RT74
Model	KS1030RT74
Color	Black & Blue
UnitCount	1
ReleaseDate	0000-00-00

KomeStone Ultra Quiet Brushless Rock Tumbler Kit – 7lb Capacity Dual-Barrel with Noise-Canceling Cover, Up to 6× Quieter, Include All Accessories, Professional Rock Polisher for Adults & Gift Giving

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