# KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel

The KomeStone K2 Elite rock tumbler kit pairs a claimed 3 lb barrel with a brushless motor, three selectable speeds and a programmable timer. Its corded design and substantial barrel suit home hobby batches, while reports of leakage and mixed value feedback are worth weighing before purchase.

- [Original product page](https://loonieperks.com/product/komestone-k2-elite-rock-tumbler-kit)
- [View offer](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- Market: CA
- Language: en-CA
- Currency: CAD
- Brand: KomeStone
- Model: CA-KS0515RT46
- Price: 110.48 CAD
- Previous price: 129.98 CAD
- Discount: 15%
- Price checked: 2026-11-13T12:35:59.221Z
- Rating: 4.3 / 5
- Reviews: 556

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listing features describe a brushless motor and rubber 3 lb barrel, alongside a claimed noise-reduction cover.
- Three selectable speeds and a programmable timer are described for setting tumbling stages. The listing also claims that settings are recalled after a power interruption.
- An illustrated guide and supplies for starting a polishing batch are listed, including rocks and polishing grits.

## Pros

- The claimed 3 lb barrel provides more stated capacity than the 2 lb entry-level models used as the listing’s comparison.
- The claimed timer and three speed settings allow stage-specific control without relying on a single fixed setting.
- An illustrated guide and a range of starter supplies are included according to the package list.

## Cons

- Some customers report leakage, so buyers should consider where they will operate the tumbler and protect the surrounding surface.

## Specifications

### Identity
- Brand: KomeStone
- Model: CA-KS0515RT46
### Power and operation
- Power configuration: Corded Electric
### Dimensions and listed weight
- Dimensions and weight listed: 17.27 x 20.07 x 20.07 cm; 3.9 kg
- Weight listed separately: 3.9 kg

## Before you buy

- The listing presents quiet operation and noise reduction as manufacturer claims, not measured comparisons. Its timer is described as running for up to 9 days, with speed selection and settings recall after interrupted power. Customer comments include leakage reports and mixed views on value, so those reports may matter for long unattended cycles.

## In the box

- Tumbler machine and 3 lb barrel (Included)
- 1 spare belt (Included)
- 4 polishing grits (Included)
- 1.5 m AC adapter and 1 lb of rocks (Included)
- Illustrated tutorial guide (Included)
- Sifter (Included)
- Screwdriver (Included)
- Jewellery fastenings (Included)

## A good fit for

- Rock and jewellery hobbyists wanting a corded tumbler with a claimed 3 lb barrel and several speed settings.
- Beginners or families looking for a kit that lists rough rocks, polishing grits and an illustrated guide.

## Less suited to

- Buyers who need confirmed leak-free operation or independently verified noise levels.
- Anyone seeking a cordless polisher or a package with every listed supply confirmed before purchase.

## Customer feedback

Customer feedback highlights perceived quiet operation, ease of use, attractive polished results and helpful instructions. Some customers report leakage, and value opinions are mixed. These experiences are relevant to a corded tumbler intended for multi-day cycles, but they do not establish how frequently issues occur or verify the listing’s noise claims.
- Positive themes: Customers describe operation as quiet and the controls as easy to use.
- Positive themes: Customers report satisfaction with the instructions and the appearance of finished stones.
- Negative themes: Some customers report leakage.
- Mixed feedback: Opinions about value for money are mixed.

## Frequently asked questions

### What capacity does the KomeStone K2 Elite list?
The product feature text describes a 3 lb barrel. It says the kit includes 1 lb of rocks, so the stated barrel capacity is not the same as the included rough-rock quantity.
### Can the tumbler be set for different polishing stages?
The listing describes three selectable speed settings and a programmable timer of up to 9 days. It also claims that the settings are recalled after a power interruption.
### What supplies are listed with the kit?
The explicit component list names the tumbler and barrel, a spare belt, four polishing grits, an AC adapter, 1 lb of rocks, an illustrated guide, a sifter, a screwdriver and jewellery fastenings.
### What do customers say about operation?
Customer feedback highlights quiet operation, ease of use and satisfaction with the instructions. Some report leakage, while opinions on value are mixed.

## Alternative options

- [Rock Tumbler Kit for Adults – 4LB Large Capacity Brushless Rock Polisher with Reinforced Metal Base, 3 Speeds & 9-Day Timer, Auto Shutoff & Memory Function, Complete Kit for Hobbyists & Collectors](https://loonieperks.com/visit/komestone-ks0619rt82-4-lb-rock-tumbler-kit)
- [Leegol Electric Rotary Rock Tumbler - Double Drum 6LB Lapidary Polisher \(Double Barrel\)](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [C1 Pro Brushless Rock Tumbler Kit, 2.5LB Rotary Polisher for Hobbyists \| 40,000-hour brushless motor, quiet rubber barrel, smart controls and accessories, gift for hobbyists and collectors](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [KoolStone C1 Pro Max Brushless Rock Tumbler Kit - Extra Large 3LB Capacity, Up to 6X More Noise Cancelling, Ultra Quiet Rotary Polisher with Full Accessories, Ideal for Adults Kids](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [K1 Pro Professional Rock Tumbler Kit for Adults, 2.5Lb Barrel \| 75% Quieter Brushless Rock Polisher, 40,000-Hour Motor Life, Pause & Memory, Complete Gem Polishing Kit, Gift For All Ages](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [National Geographic Hobby Rock Tumbler Kit with Grit and Polish Refill \| Rough Gemstones, Grit and Polish, Jewellery Fastenings, Rock Polishing, Geology STEM Activity](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [K1 Rock Tumbler Kit - 2.5LB Quiet Polisher for Adults & Beginners \| Complete Rotary Gem Polishing Kit with Thick Rubber Barrel, 3 Speeds, 9-Day Timer, Pause & Memory, Ideal Gift for All Ages](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [C1 Classic Rock Tumbler Kit - Large 2.5LB Capacity, 3-Speed Motor & 9-Day Timer, Professional Rotary Stone Polisher with Rough Gemstones & 4 Steps Polishing Grits, Ideal for Adults Kids](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [NATIONAL GEOGRAPHIC Professional Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable 2 Lb. Barrel, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational STEM Science Kit](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [Advanced Professional Rock Tumbler Kit - with Digital 9-Day Polishing Timer & 3 Speed Settings - Turn Rough Rocks into Beautiful Gems : Great Science & STEM Gift for Kids All Ages : Geology Toy](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [VIYUKI Rock Tumbler Kit \| Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings, Operating Instruction, 3-Speed Motor & 7-Day Timer](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)

## Add-ons

- [Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit \| 4-Steps Supplies for Tumbling and Polishing Stones and Gems \| Professionals Adults and Kids \| Polish 20lbs of Rocks](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)
- [FORBY 3 lbs Bulk Rough Madagascar Stones Mix - Large 1" Natural Raw Stones Crystal for Tumbling, Cabbing, Fountain Rocks, Decoration,Polishing, Wire Wrapping, Wicca & Reiki Crystal Healing](https://loonieperks.com/visit/komestone-k2-elite-rock-tumbler-kit)

## Images

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 1](https://loonieperks.com/i/sxSUMOGCwlU1CMWT7fQ3ki9qNrWUw04sz2srKWUXKdsxQGnDtOgGq5xhq2FcwVwc2YNz5WHwb3Mbz_LNTiYfRSpXt3Fd07kNhedxs8ff4Q3xWAydchTIIvgO.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 2](https://loonieperks.com/i/qzwBLVWwIbfD9aGJrDrpy8HtkTfXbpqKztnGhERqMVZ-MlqbCYQR2l94v6O-80NKDJ3GMz3AaDRAwT-RhzbOU9MSXZeCwlYcct-yHp-PNzj2HuIZtJTgpcSj.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 3](https://loonieperks.com/i/1PN4Ul64ASYLvDHWpP6B_wZ7heFr4K5pjH_gegxbcheClWAaPAW01T17BgL_bGJOyXe4t0yGJbIvtkWlWhGTXjCTrVjr7JgN62X7peokzL5RyDifnyP3WOjN.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 4](https://loonieperks.com/i/H20V6v25x34Kw1iG_umBqLOZIeJKs4zc-JJKpJ4FrZZH4PAsAUYmBP-wKZEpSUimccjOYRlQbD43Yrnl2qjcmhlhqj7hDKG9hEXxY5-tx5hdSs8PFdNaeNho.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 5](https://loonieperks.com/i/f0OHpO3OWPgpJuP__HLg9pRHYoYamiu3rjmNwFaxCxcEtlcWP80osIdf2farH72TkbmRDTZ4kUYGw3U41a8Bn-5HRfEUeU3ldX3gvRu9erl3aj8FzIhSPuE3.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 6](https://loonieperks.com/i/y1Cjzy6fPXKrXtNG1XvzZ3if6Fx2KY-Ya88VBkF5F-vtS5I2vORiZycS95ET_35XVkV6a7NS1dt1-JNF__3fzXklkXa3vXJOw41Kg0gKoy-z51i5mFcT_1D4.jpg)

![KomeStone K2 Elite Rock Tumbler Kit, 3 lb Barrel — 7](https://loonieperks.com/i/-tj-GTB-nPII8Ky8S4MeUW5m-ZvCBo6-ihIBxNQzpIf7NxINIzUN2Sj8i6T4-UgG66n6CrSRjYfFVRNJOH0Xqdg48Af6F-WAM3MoFgwLdDTJ7_kMzChspNYE.jpg)