KomeStone K1 Pro Professional Cutting-Edge Brushless Motor Advanced Rock Tumbler Polisher Kit, Extra Large 2.5Lb Barrel with 3-Speed Motor 9-Day Timer, 6 Belts, Rough Gemstones, 4 Polishing Grits 
 
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: Elevate your experience with a built-in LCD screen, 9-day timer display, 3 speed controls, and pause & resume function. Customize your polishing recipes for brighter, more captivating results. As the pioneer of its kind, it boasts a cutting-edge brushless motor, ensuring over 20,000 hours of operation, and a robust thicken tier level rubber barrel for years of enduring performance. Experience unparalleled innovation.
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 8 year old kid knows how to use it independently.
LIFETIME TROUBLESHOOTING AND TECHNICAL SUPPORT: Should you ever encounter any inquiries or concerns regarding our product, please don't hesitate to reach out to us directly. Your satisfaction is our priority, and we promise to address each issue promptly and compassionately. In the event of a replacement, rest assured it will be dispatched within 24 hours. Your contentment is our guiding light.