About This

• 💡 Long-term tumbling under heavy loads can cause natural wear on belts over time. Reach out to our support team to request 10 extra belts—absolutely free: 📧 𝐬𝐮𝐩𝐩𝐨𝐫𝐭@𝐤𝐨𝐦𝐞𝐬𝐭𝐨𝐧𝐞.𝐜𝐨𝐦.
• 𝟗𝟎-𝐃𝐚𝐲 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞 & 𝟓-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: Enjoy peace of mind with our extended 90-day refund guarantee and 5-year warranty. If you miss Amazon’s 30-day return window, simply contact our US-based customer service for hassle-free replacement or refund assistance. We provide 24/7 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 motor—stable, 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 kWh—perfect 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 here—just 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 KoAbout 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 — we’re your partner, offering reliable products and lifetime support you can count on.

Overview

• Brand : KomeStone
• Included Components : Bearing Nuts & 2 & Bearing/Screwdriver*1 & Premium DC Adapter, Extra Small Pulley Screws & 2 & Thumb Nuts *2, Metal Base * 1 & 22Lb Metal Barrel, Spare Belts *2 & Reach out (Customer Service: Support@komestone.com) for Extra 10 Belts at no Cost for Spare Use., User Manual & Warranty Card Bearing Nuts & 2 & Bearing/Screwdriver*1 & Premium DC Adapter, Extra Small Pulley Screws & 2 & Thumb Nuts *2, Metal Base * 1 & 22Lb Meta… See more
• Material : Cutting-Edge Brushless Motor, Heavy-Duty Metal Base, Please email to our after-sales service center ( support@komestone.com ) to receive the extra 10 belts for spare use after placing the order. Any issues with your order will be solved timely., Stainless Steel, Tyre Srade Rubber Cutting-Edge Brushless Motor, Heavy-Duty Metal Base, Please email to our after-sales service center ( support@komestone.com ) to receive the extra… See more
• Color : A: Heavy Metal Brushless Rock Tumbler (#G3)
• Item Weight : 24 Pounds