Komestone

Ultra Quiet Brushless Rock Tumbler Kit – 7LB Dual Barrel Polisher with Noise-Canceling Cover, Complete Gemstone & Jewelry STEM Set for Adults & Gift

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Tracked delivery
Track your order end to end
Returns support
30-day return window

Description

  • 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 Timer:The 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 Accessories:Includes 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.
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Technical Specifications
Manufacturer
KomeStone
Color
A: Dual-barrel Rock Tumbler Kit - Blue
Size
Large
Height
26.4 cm
Length
44.8 cm
Width
20 cm
Weight
7.2 kg
Shipping & Delivery

Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.

Returns & Exchanges

We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.