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.

K2 Professional And Noise Reuction

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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MX$11036

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Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🪨 Transform Rough Rocks into Museum-Quality Gems—Quietly, Efficiently, Professionally!

MASSIVE 3 LBS BARREL - Polish more stones per batch—perfect for ambitious hobbyists and pros alike.
WHISPER QUIET TUMBLING - Operate indoors without disruption thanks to noise levels rivaling a dishwasher.
ROCK SOLID SATISFACTION - 90-day refund, 1-year warranty, and lifetime accessory support for total peace of mind.
NEXT GEN BRUSHLESS MOTOR - Experience superior durability and smooth performance with advanced motor tech.
COMPLETE PRO KIT INCLUDED - Everything you need from rough stones to polishing grits and tools, plus a full-color guide.

The KomeStone K2 Elite Professional Rock Tumbler features a cutting-edge brushless motor and ultra-quiet rubber barrel design, enabling indoor use without noise disruption. Its extra-large 3 lbs capacity lets you polish more stones per cycle, while the included 4-stage grit system and precision ceramic media deliver pro-level gemstone finishes. Backed by a 90-day satisfaction guarantee, 1-year warranty, and lifetime accessory support, this all-in-one kit is perfect for STEM education, hobbyists, and jewelry makers seeking a premium, hassle-free tumbling experience.

Specifications

ASIN	B0C58TH7W6
Best Sellers Rank	#219,373 in Kitchen ( See Top 100 in Kitchen ) #588 in Insulated Tumblers
Brand Name	KomeStone
Color	K2 Elite Rock Tumbler (Brushless Motor & Noise Reduction)
Customer Reviews	4.5 4.5 out of 5 stars (496)
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 Rubber Stainless Steel 𝐂𝐏𝐒𝐈𝐀 & 𝐂𝐏𝐂 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 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.
Model Number	CA-KS0515RT46
Power Source	Corded Electric
Specific Uses For Product	Rock collecting, Polishing gemstones, Geology education for kids
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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TrustScore 4.5 | 7,300+ reviews

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