How can I order more polishing grits?

We have a polishing grits kit of 4 lbs, just visit the link: https://www.amazon.com/dp/B0B74KYP44. For any questions and concerns, please contact our customer service via: support@komestone.com, we'll get back to you very soon. For any issues about this rock tumbler, we promise to solve timely. We are standing behind our brand and products. Thanks for purchasing from us.

How much polishing grits should I use?

For better results, we would advise you to add 2 tbsp or more of polishing grits per pound of rocks, and 0.5 lb-1 lb of the ceramic pellets for protect rocks from scratches.

What is the rotation speeds per minute?

Normally speaking, the speeds is quite steady. Speed 1：770 Speed 2：920 Speed 3：1080

Can I add more than 3 lbs rocks into this barrel for tumbling?

The capacity of the barrel for the K2 Elite rock tumbler is 3 lbs, so you can add as much as 3 lbs of rocks, and then add water, and polishing grits and ceramic pellets. For any questions and concerns, please contact our customer service via: support@komestone.com, we'll get back to you very soon. For any issues about this rock tumbler, we promise to solve timely. We are standing behind our brand and products. Thanks for purchasing from us. Anne.

Komestone K2 Ultra Quiet Rock Tumbler Kit 3lb Professional Rock

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$439.85

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔮 Elevate your hobby with the quiet power of professional polishing!

ALL INCLUSIVE PRO KIT - Start tumbling immediately with premium stones, grits, accessories, and a step-by-step guide designed for serious collectors.
MAXIMIZED 3 LB CAPACITY - Polish 50% more stones per cycle—more variety, less waiting, and bigger hobby wins.
WHISPER QUIET TUMBLING - Run your rock polishing sessions anytime without disturbing your space or neighbors.
BRUSHLESS MOTOR POWERHOUSE - Experience smoother, cooler, and longer-lasting performance that keeps your stones perfectly polished batch after batch.
SMART SPEED TIMER CONTROL - Customize 3 speeds and a 9-day timer with settings recall for flawless, hands-off polishing every time.

The KomeStone Ultra Quiet Rock Tumbler Kit features a 3LB rubber barrel with noise-reduction cover and a brushless motor that runs up to 6X quieter than standard models. It offers 3 speed settings, a 9-day programmable timer with settings recall, and includes a complete set of polishing grits, rough stones, and accessories. Designed for adult hobbyists and collectors, it delivers professional-quality results with minimal noise and maximum convenience.

Specifications

ASIN	B0C58TH7W6
Best Sellers Rank	#11,589 in Toys & Games ( See Top 100 in Toys & Games ) #6 in Kids' Rock Tumblers
Brand Name	KomeStone
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (870)
Included Components	1 extra belt for spare use and 4 polishing grits, 1 lb rough stones, illustrated tutorial learning guide, 1 x sifter, 1 x screwdriver, 1 set jewelry Fastenings, 1 x tumbler machine, 1 x 3 lb barrel, 1.5m AC adapter, Warranty Card ( Lifetime customert service email: [email protected] )
Item Type Name	Rock Tumbler
Item Weight	3.9 Kilograms
Manufacturer	KomeStone
Manufacturer Part Number	CA-KS0515RT46
Material Type	Cutting-Edge brushless motor, Please email to our after-sales service center ( [email protected] ) to receive the extra bag of rocks for spare use after placing the order. Our customer service will solve any issues timely., Stainless Steel, Tyre grade rubber, 𝐂𝐏𝐒𝐈𝐀 & 𝐂𝐏𝐂 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝
Model Number	CA-KS0515RT46
Power Source	Corded Electric
Unit Count	1.0 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$439.85

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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KomeStone K2 Ultra Quiet Rock Tumbler Kit - 3LB Professional Rock Polisher

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Description

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Common Questions