---
product_id: 745122163
title: "MJR Tumblers Refill Grit Kit for 10 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "₩166042"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/745122163-mjr-tumblers-refill-grit-kit-for-10-lb-rock-tumblers
store_origin: KR
region: South Korea
---

# premium Silicon Carbide & Aluminum Oxide 75% quieter tumbling 4-step grit progression MJR Tumblers Refill Grit Kit for 10 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** ₩166042
**Availability:** ✅ In Stock

## Summary

> 💎 Elevate Your Rocks from Rough to Radiant – Because Your Gems Deserve the Best!

## Quick Answers

- **What is this?** MJR Tumblers Refill Grit Kit for 10 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers
- **How much does it cost?** ₩166042 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/745122163-mjr-tumblers-refill-grit-kit-for-10-lb-rock-tumblers)

## Best For

- mjr tumblers enthusiasts

## Why This Product

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

## Key Features

- • **Complete Refill Kit:** Includes all essential grits plus free polishing instructions to elevate your tumbling game.
- • **Universal Compatibility:** Works seamlessly with any 10 lb rock tumbler brand—freedom to choose your gear.
- • **Quiet & Durable Operation:** Runs 75% quieter with a leak-resistant barrel and heavy-duty steel frame for long-lasting use.
- • **Precision 4-Stage Grit System:** From coarse stock removal to mirror polish, every step engineered for flawless shine.
- • **Premium-Grade Silicon Carbide:** Harder, sharper, and longer-lasting grit for faster, superior polishing results.

## Overview

The MJR Tumblers Refill Grit Kit is a professional-grade 4-step polishing system designed for 10 lb rock tumblers. Featuring premium Silicon Carbide and Aluminum Oxide grits, it ensures fast, high-quality stock removal and a brilliant finish. Compatible with any tumbler brand, this kit includes all necessary grits and free instructions, delivering a quiet, durable, and efficient tumbling experience.

## Description

Grit Kit for 10 pound Rock Tumblers10 ounces of 60/90 Graded Silicon Carbide Grit (Step 1) 10 ounces of 120/220 Graded Silicon Carbide Grit (Step 2) 5 ounces of 500/600 Graded Silicon Carbide Grit (Step 3) 5 ounces of 1200 Aluminum Oxide Polish (Step 4) Comes with FREE Polishing Instructions We use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster than Black Silicon Carbide because it's harder and stays sharper longer. MJR Tumblers offers a large selection of heavy duty tumblers, a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500) and aluminum oxide (400/600 and 1200). These can be purchased individually in any weight denomination that fits your needs or we have pre-made kits for your specific size tumbler. We have kits available with or without plastic pellets.

## Features

- COARSE, FINE, PRE-POLISH, AND POLISH KIT: Get the ideal results with this professionally-graded kit, starting from coarse Silicon Carbide Grit for quick stock removal to a finer Aluminum Oxide Polish Grit for a perfect finish. Get the job done quickly without compromising quality. A comprehensive kit that offers everything you need for sharpening and polishing.
- QUICK WAY TO MAKE ROCKS SHINE: Get ready to bring your gemstones to life with our rock polisher grit refill pack. Achieve the ultimate shine with our superior-grade Silicon Carbide from Coarse to Pre-polish and Aluminum Oxide for a Finer Polish. Refill your rock polisher with our high-quality grit, enough to give your rocks and gems the sparkle they deserve. Our premium-grade silicon carbide is harder and stays sharper longer, giving you an unbeatable polishing experience.
- POLISH INCREDIBLE ROCKS WITH MJR TUMBLERS: You'll have plenty of tumbling to do with MJR Tumblers. We offer a large selection of heavy-duty tumblers, a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500), and aluminum oxide (400/600, 1200, and 1500). These can be purchased individually in a weight denomination that best fits your needs, we also have pre-made kits for your specific size tumbler. We also have kits available with or without plastic pellets.
- WORKS WITH ANY ROCK TUMBLER: No need to worry about compatibility. Our grit is designed to work with any rock tumbler from any brand, giving you the freedom of choice. Get smooth, polished rocks in no time without compromising on quality or performance!
- EASY TUMBLE EXPERIENCE: MJR Tumblers runs on a powerful motor with a leak-resistant rubber barrel that reduces sound, making it 75% quieter than other plastic models, and made to last a long time. Heavy-duty 16-gauge welded steel frame, powder coated. Equipped with heavy-duty stainless steel ball bearings. It also has a quick and easy-to-use heavy-duty rubber cap. Just Pour in the rough stones and grit, then let the machine do its job!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Educational Objective(s) | Team Building Skills |
| Model Number | MJR10pgk |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Plastic Aluminum |
| Package Dimensions | 22.86 x 12.7 x 4.57 cm; 850.49 g |
| Item model number | MJR10pgk |
| Manufacturer recommended age | 8 months - 8 years |
| Manufacturer | MJR Tumblers |
| Country of Origin | USA |
| Item Weight | 849 g |

## Images

![MJR Tumblers Refill Grit Kit for 10 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg)

## Available Options

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

## Frequently Bought Together

- Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 10lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned
- 2 LBS Rock Tumbling Ceramic Filler Medi Rock Tumbling Ceramic Filler Media Non- Abrasive Ceramic Pellets for All Type Tumblers 3/16" X 3/8"
- Blue Marble National Geographic Rock Tumbling Media – GemFoam Reusable Rock Polisher Foam, Use After Rock Tumbling Grit Cycles, Adds Shine to Tumbled Rocks and Minerals, Rock Tumbling Supplies

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**Shop now:** [https://www.desertcart.kr/products/745122163-mjr-tumblers-refill-grit-kit-for-10-lb-rock-tumblers](https://www.desertcart.kr/products/745122163-mjr-tumblers-refill-grit-kit-for-10-lb-rock-tumblers)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-28*