---
product_id: 542553468
title: "K2:Professional & Noise Reuction"
brand: "komestone"
price: "2184 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Kome Stone"
url: https://www.desertcart.dk/products/542553468-k2-professional-and-noise-reuction
store_origin: DK
region: Denmark
---

# Ultra-quiet brushless motor 3 lbs extra-large rubber barrel 4-stage pro polishing grit system K2:Professional & Noise Reuction

**Brand:** komestone
**Price:** 2184 kr
**Availability:** ✅ In Stock

## Summary

> 💎 Transform your rock collection into polished perfection—quietly, efficiently, professionally.

## Quick Answers

- **What is this?** K2:Professional & Noise Reuction by komestone
- **How much does it cost?** 2184 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/542553468-k2-professional-and-noise-reuction)

## Best For

- komestone enthusiasts

## Why This Product

- Trusted komestone brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pro-Grade Polish:** 4-stage grit system with precision ceramic media delivers museum-quality shine every time.
- • **STEM Meets Style:** Perfect educational tool for all ages—turn raw stones into stunning jewelry or collectibles while learning geology.
- • **Max Batch Capacity:** Generous 3 lbs soft rubber barrel lets you tumble more rocks per cycle—maximize your creative output.
- • **Hassle-Free Support:** 90-day satisfaction guarantee, 1-year warranty, plus lifetime accessory replacements and 24/7 US-based customer care.
- • **Whisper-Quiet Precision:** Cutting-edge brushless motor ensures noise reduction so you can polish indoors without disruption.

## Overview

The K2 Elite Professional Rock Tumbler Kit features an ultra-quiet brushless motor and a large 3 lbs soft rubber barrel for efficient, noise-reduced rock polishing. Equipped with a 4-stage grit system and precision ceramic media, it delivers professional-grade results ideal for hobbyists and STEM learners alike. Backed by a 90-day satisfaction guarantee, 1-year warranty, and lifetime accessory support, this kit is designed for durability, ease of use, and educational fun.

## Description

desertcart.com: KomeStone K2 Elite Professional Rock Tumbler Kit, Ultra Quiet & Cutting Edge Brushless Motor Rock Polisher for Adults & Rock Collector, Noise-Reduction, Extra Large 3 Lbs Barrel, STEM Gift for All Age : Toys & Games

Review: Great for everyone beginner to pro - This is great for beginners and avid rock hunters . My wife and I just started rock hunting last year. You can turn your finds into beautiful art. We are very impressed on the sturdiness and ease of use. Assembly was easy, It comes with easy follow instructions just take your time if you are a beginner. It comes with a nice assortment of rocks and plenty of product to get started, the controls are simple and instructions are clear even for a beginner, appears to be well made. It is very quiet for what it does . Nice size for the different stages of tumbling rocks. We have found that doing multiple batches in the different stages then combining them as the rocks reduce in size that way you are not wasting polishing grit. Rock Tumbler well packed for shipping and reasonably priced.
Review: Cool little rock tumbler - I’ve been running the K2 Elite nonstop for over a month, and it’s been rock solid. It works exactly as advertised—no issues, no stopping, just consistent performance. The biggest standout is how quiet it is. The rubber barrel and enclosed housing make a huge difference compared to other tumblers I’ve used. It’s more of a low hum than that loud rattling noise. It came with extra belts, but I haven’t needed any yet, which says a lot about durability. Build quality feels solid, and the 3 lb capacity is perfect for decent-sized batches. Customer service has also been excellent—they respond quickly and are actually helpful. They also send a free bag of rocks on top of the bag that came with it, you just have to email them. Bottom line: Quiet, reliable, and well-built. Definitely one of the better tumblers I’ve owned.

## Features

- 𝟗𝟎-𝐃𝐚𝐲 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 𝐆𝐮𝐚𝐫𝐚𝐧𝐭𝐞𝐞 & 𝟏-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: Enjoy peace of mind with our extended 90-day refund guarantee and 1-year warranty. If you miss desertcart's 30-day return window, simply contact our 𝐔𝐒-𝐛𝐚𝐬𝐞𝐝 𝐜𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐬𝐞𝐫𝐯𝐢𝐜𝐞 team for 𝐡𝐚𝐬𝐬𝐥𝐞-𝐟𝐫𝐞𝐞 𝐫𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭 𝐨𝐫 𝐫𝐞𝐟𝐮𝐧𝐝 𝐚𝐬𝐬𝐢𝐬𝐭𝐚𝐧𝐜𝐞. We offer 𝟐𝟒/𝟕 𝐜𝐥𝐚𝐢𝐦 𝐬𝐮𝐩𝐩𝐨𝐫𝐭 to ensure your complete satisfaction.
- DIVE INTO THE FUN ROCK TUMBLING: KomeStone rock tumbler is for turning rough raw rocks into smooth gemstones. You’ll be excited to see the rocks change with each cycle—a great lesson in patience for kids or inspiration for jewelry-making moms.
- 2025 NEW UPGRADE & ADVANCED FEATURES: This K2 Elite rock tumbler stands out as the sole option to feature a cutting-edge brushless motor and noise-reduction function among high-end models. This makes it an ideal choice for users sensitive to noise and those who prefer tumbling indoors, even in smaller or shared spaces. Additionally, you'll appreciate the benefits of receiving original manufacturer and brand-direct troubleshooting support, as well as lifetime accessory replacement services.
- 3 LBS EXTRA LARGE CAPACITY & ULTRA QUIETER: Our rock tumbler features 100% soft rubber barrels that effectively absorb the impact of tumbling rocks, resulting in an ultra-quiet operation comparable to a working dishwasher. The generously-sized 3 lbs barrel allows you to polish a larger quantity of rocks in each batch.
- COMES WITH EVERYTHING YOU NEED FOR ROCKS TUMBING: Including the tumbler machine, 3 lbs barrel, 1 lb rough rocks, 1 extra belt (2 in total, one is on the wheel), 4 polishing grits and other accessories. Notably, it also includes a full-color instruction book that provides detailed and easy-to-follow guidance. Even an 8-year-old child can independently learn how to use it with clarity.
- SCIENCE-BACKED POLISHING FOR PRO-LEVEL RESULTS: Achieve museum-quality shine with our 4-stage grit system (60/120/150/1200) and precision ceramic media. The leak-proof stainless steel lid ensures mess-free tumbling, while our exclusive guide unlocks pro techniques.If you need to replace or lubricate the belt, pleasedownload our latest manual for detailed illustratedinstructions. You can also reach out to us obtain themost up-to-date operating guide.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C58TH7W6 |
| Age Range Description | 13 years and up |
| Best Sellers Rank | #43,241 in Toys & Games ( See Top 100 in Toys & Games ) #11 in Kids' Rock Tumblers |
| Brand Name | KomeStone |
| Color | K2 Elite Rock Tumbler (Brushless Motor & Noise Reduction) |
| Customer Reviews | 4.6 out of 5 stars 812 Reviews |
| Educational Objective | K2 Elite Series Ultra Quiet |
| 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: support@komestone.com ) |
| Is Assembly Required | No |
| Item Dimensions | 6.8 x 7.9 x 7.9 inches |
| Item Type Name | Rock Tumbler |
| Item Weight | 3.9 Kilograms |
| Manufacturer | KomeStone |
| Manufacturer Maximum Age (MONTHS) | 1200.0 |
| Manufacturer Minimum Age (MONTHS) | 156.0 |
| Manufacturer Part Number | CA-KS0515RT46 |
| Material Type | Cutting-Edge brushless motor, Please email to our after-sales service center ( support@komestone.com ) to receive the extra bag of rocks for spare use after placing the order. Our customer service will solve any issues timely., Rubber, Stainless Steel, 𝐂𝐏𝐒𝐈𝐀 & 𝐂𝐏𝐂 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 |
| Model Number | CA-KS0515RT46 |
| Operation Mode | Manual |
| Power Source | Corded Electric |
| Size | A: K2 Elite |
| Subject Character | Turn raw rocks smooth enough to use for jewlery, crafts, collections, etc., collect rocks from the nature and make jewellery, teach kids learn more about science, geology and mineralogy. |
| Supported Battery Types | No batteries required |
| Theme | Perfect gift choice for the families or friends |

## Product Details

- **Brand:** KomeStone
- **Included Components:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
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}));  1 x tumbler machine, 3 lb barrel, 1.5m AC adapter, rough stones, illustrated tutorial learning guide, extra belt for spare use and 4 polishing grits, sifter, screwdriver, set jewelry Fastenings1 x tumbler machine, 3 lb barrel, 1…    See more
- **Material:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
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}));  Stainless Steel, Cutting-Edge brushless motor, Tyre grade rubber, Please email to our after-sales service center ( support@komestone.com ) to receive the extra bag of rocks for spare use after placing the order. Our customer service will solve any issues timely., 𝐂𝐏𝐒𝐈𝐀 & 𝐂𝐏𝐂 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝Stainless Steel, Cutting-Ed…    See more
- **Color:** A: K2 Elite (Brushless Motor & Noise Reduction)
- **Power Source:** Corded Electric

## Images

![K2:Professional & Noise Reuction - Image 1](https://m.media-amazon.com/images/I/81ZU5JdBXnL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How can I order more polishing grits?**
A: 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.

**Q: How much polishing grits should I use?**
A: 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.

**Q: What is the rotation speeds per minute?**
A: Normally speaking, the speeds is quite steady. 
Speed 1：770
Speed 2：920
Speed 3：1080

**Q: Can I add more than 3 lbs rocks into this barrel for tumbling?**
A: 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for everyone beginner to pro
*by R***5 on March 7, 2026*

This is great for beginners and avid rock hunters . My wife and I just started rock hunting last year. You can turn your finds into beautiful art. We are very impressed on the sturdiness and ease of use. Assembly was easy, It comes with easy follow instructions just take your time if you are a beginner. It comes with a nice assortment of rocks and plenty of product to get started, the controls are simple and instructions are clear even for a beginner, appears to be well made. It is very quiet for what it does . Nice size for the different stages of tumbling rocks. We have found that doing multiple batches in the different stages then combining them as the rocks reduce in size that way you are not wasting polishing grit. Rock Tumbler well packed for shipping and reasonably priced.

### ⭐⭐⭐⭐⭐ Cool little rock tumbler
*by C***X on February 13, 2026*

I’ve been running the K2 Elite nonstop for over a month, and it’s been rock solid. It works exactly as advertised—no issues, no stopping, just consistent performance. The biggest standout is how quiet it is. The rubber barrel and enclosed housing make a huge difference compared to other tumblers I’ve used. It’s more of a low hum than that loud rattling noise. It came with extra belts, but I haven’t needed any yet, which says a lot about durability. Build quality feels solid, and the 3 lb capacity is perfect for decent-sized batches. Customer service has also been excellent—they respond quickly and are actually helpful. They also send a free bag of rocks on top of the bag that came with it, you just have to email them. Bottom line: Quiet, reliable, and well-built. Definitely one of the better tumblers I’ve owned.

### ⭐⭐⭐⭐⭐ Great tumbler
*by A***E on December 26, 2025*

I love this tumbler. I haven't had any issues with it since it was bought and I have been running it nonstop. I like that the belt is in a compartment to itself so it doesn't spin lubricant everywhere. You should keep your belt lubricated with a 3in1 oil or clipper oil so they don't dry and break. It's a little quieter than the ones that are out in the open. But it still going to be somewhat loud, it is tumbling rocks. It's durable and seems to be holding up. The barrel has a good thickness to it isn't showing any signs of wear and tear yet. I do like that it has a 3lb storage capacity. It holds a lot more rocks than the other small rock tumblers. It does come with some starter rocks and if you reach out to them after purchasing they will send some free rocks as well. I do believe it is a good value for everything that came with the machine. I think this tumbler is a good addition for any person that is interested in rock tumbling.

## Frequently Bought Together

- KomeStone K2 Elite Professional Rock Tumbler Kit, Ultra Quiet & Cutting Edge Brushless Motor Rock Polisher for Adults & Rock Collector, Noise-Reduction, Extra Large 3 Lbs Barrel, STEM Gift for All Age
- Polly Plastics Rock Tumbler Grit and Polish Refill & Ceramic Tumbling Filler Media - Silicone Carbide Polisher Grit - Rock Polish Supplies & Accessories
- KomeStone Nylon Belt 2-Pack for K2 Elite Rock Tumbler – Durable Replacement Belt K2 Elite Model Only / 2 Pcs

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-04-27*