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 Brushless Rock Tumbler For Adults And Kids 3lb Ultra

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

المساعدة تتبع الطلب

الحساب عربة التسوق

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

المساعدة تتبع الطلب

الحساب عربة التسوق

Description

🔮 Transform rough stones into dazzling treasures—quietly, safely, and effortlessly!

FAMILY SAFE DESIGN - Protective cover keeps little hands safe, making it ideal for kids 8+ and STEM learning at home.
BRUSHLESS MOTOR POWER - Advanced brushless motor ensures smooth, long-lasting performance with less heat and wear.
MAXIMIZED 3 LB CAPACITY - 50% more tumbling space than entry models—polish more stones per batch, from agates to crystals.
WHISPER QUIET TUMBLING - Runs up to 6X quieter with noise-reduction cover & soft rubber barrel—perfect for apartments and shared spaces.
SMART CONTROLS MEMORY - 3 speeds, 9-day timer, and power-loss memory deliver consistent, hands-free polishing every time.

The KomeStone K2 3LB Brushless Rock Tumbler is a premium, ultra-quiet polishing kit designed for adults and kids. Featuring a brushless motor for durability, a noise-reduction cover for peaceful operation, and a 3LB rubber barrel for larger batches, it offers smart controls with a 9-day programmable timer and memory recall. Complete with polishing grits, rough stones, and a detailed guide, it’s perfect for family STEM projects, hobbyists, and geology enthusiasts seeking professional results at home.

Specifications

ASIN	B0C58TH7W6
Best Sellers Rank	#12,759 in Toys & Games ( See Top 100 in Toys & Games ) #4 in Kids' Rock Tumblers
Brand	KomeStone
Brand Name	KomeStone
Color	A: K2 Elite (Brushless Motor & Noise Reduction)
Customer Reviews	4.5 out of 5 stars 931 Reviews
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] ) 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] ) See more
Item Type Name	Rock Tumbler
Item Weight	3.9 kg
Manufacturer	KomeStone
Manufacturer Part Number	CA-KS0515RT46
Material	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 Material 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 See more
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
Number of Items	1
Number of Packs	1
Power Source	Corded Electric
Specific Uses For Product	Jewelry, Rocks
Unit Count	1 Count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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E£ 31346

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered 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 EGYPT.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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K2 Brushless Rock Tumbler for Adults & Kids, 3Lb Ultra Quiet Kit

Details

Details

Description

Specifications

Common Questions