• DIVE INTO THE FUN ROCK TUMBLING: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones. You’ll be excited to see the rocks change with each cycle—a 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 pause/resume 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 it’s 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 (60/120/150/1200) and precision ceramic media. The leak-proof stainless steel lid ensures mess-free tumbling, while our exclusive guide unlocks pro techniques.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty