---
product_id: 697704165
title: "MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "€ 95.47"
currency: EUR
in_stock: false
reviews_count: 6
category: "Mjr Tumblers"
url: https://www.desertcart.pt/products/697704165-mjr-tumblers-refill-grit-kit-for-6-lb-rock-tumblers
store_origin: PT
region: Portugal
---

# premium Silicon Carbide & Aluminum Oxide 75% quieter tumbling 4-stage grit system MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** € 95.47
**Availability:** ❌ Out of Stock

## Summary

> 💎 Elevate your rock game—shine like the pros, every time!

## Quick Answers

- **What is this?** MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers
- **How much does it cost?** € 95.47 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/697704165-mjr-tumblers-refill-grit-kit-for-6-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:** All essential grits included—coarse, fine, pre-polish, and polish—for a seamless rock transformation.
- • **Long-Lasting Sharpness:** Harder Silicon Carbide grit stays sharper longer for unbeatable polishing efficiency.
- • **Universal Compatibility:** Fits any 6 lb rock tumbler—freedom to upgrade without limits.
- • **Whisper-Quiet Operation:** Engineered with leak-resistant barrels and sound-dampening design for 75% less noise.
- • **Pro-Grade Multi-Step Polish:** From coarse stock removal to mirror finish, every grit stage is optimized for flawless results.

## Overview

The MJR Tumblers Refill Grit Kit is a professional-grade polishing media set designed for 6 lb rock tumblers. Featuring a comprehensive 4-stage grit system with Silicon Carbide for coarse to pre-polish and Aluminum Oxide for final polish, it delivers superior shine and efficiency. Compatible with any brand tumbler, it ensures quieter operation and long-lasting sharpness, making it the go-to choice for serious hobbyists and professionals alike.

## Description

MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish : desertcart.co.uk: Home & Kitchen

Review: Not 6lbs - There was loose grit all over the packaging which had to be thrown away and meant the grits were contaminated with other grades of grit so unusable
Review: This grit works just like all others, if used correctly. It is so easy to open and pour it into tumbler--the perfect amount for a 10-lb tumbler. Highly recommended.

## 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 |
|---------------|-------|
| ASIN | B07F1FCPZH |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 350,267 in Toys & Games ( See Top 100 in Toys & Games ) 14,530 in Learning & Education Toys |
| Colour | Grey |
| Customer Reviews | 4.5 4.5 out of 5 stars (251) |
| Date First Available | 17 Jan. 2024 |
| Educational Objective(s) | Teach children about geology and the process of tumbling and polishing rocks |
| Manufacturer recommended age | 8 months and up |
| Manufacturer reference | MJR6pgk |
| Material Type(s) | Silicon Carbide |
| Package Dimensions | 22.81 x 13.49 x 2.11 cm; 510.29 g |
| tech_spec_battery_description_toys | No batteries required |

## Images

![MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/51eysBrID7L.jpg)
![MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 2](https://m.media-amazon.com/images/I/612EmMWHNKL.jpg)
![MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 3](https://m.media-amazon.com/images/I/61POizUUQzL.jpg)
![MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 4](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg)
![MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 5](https://m.media-amazon.com/images/I/61mhoieNFpL.jpg)

## Customer Reviews

### ⭐⭐⭐ Not 6lbs
*by L***E on 3 March 2025*

There was loose grit all over the packaging which had to be thrown away and meant the grits were contaminated with other grades of grit so unusable

### ⭐⭐⭐⭐⭐ Review
*by A***P on 3 September 2025*

This grit works just like all others, if used correctly. It is so easy to open and pour it into tumbler--the perfect amount for a 10-lb tumbler. Highly recommended.

### ⭐⭐⭐⭐⭐ Review
*by R***S on 6 November 2025*

I BOUGHY THIS BECAUSE I acquired a tumbler? This polishing package was great, but I never realized how long and com.ited you had to be...let alone patient...to pick this hobby up!!! I got better things to do? Ha

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**Shop now:** [https://www.desertcart.pt/products/697704165-mjr-tumblers-refill-grit-kit-for-6-lb-rock-tumblers](https://www.desertcart.pt/products/697704165-mjr-tumblers-refill-grit-kit-for-6-lb-rock-tumblers)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-26*