---
product_id: 587390363
title: "MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "€ 190.43"
currency: EUR
in_stock: true
url: https://www.desertcart.pt/products/587390363-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers
store_origin: PT
region: Portugal
---

# universal tumbler compatibility fast stock removal 4-stage grit system MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** € 190.43
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your rock game with pro-level polish power! ⚙️

## Quick Answers

- **What is this?** MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers
- **How much does it cost?** € 190.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/587390363-mjr-tumblers-refill-grit-kit-for-25-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

- • **Speed Meets Precision:** Quickly remove rough edges without sacrificing the perfect finish.
- • **Endless Sparkle Supply:** Generous refill pack ensures your gemstones shine bright, batch after batch.
- • **Pro-Grade 4-Stage Grit Kit:** From coarse Silicon Carbide to fine Aluminum Oxide for flawless polishing.
- • **Universal Fit, Zero Hassle:** Compatible with any rock tumbler brand—freedom to choose your gear.
- • **Built for Effortless Tumbling:** Heavy-duty materials and easy-to-use design make polishing a breeze.

## Overview

The MJR Tumblers Refill Grit Kit is a comprehensive, professional-grade polishing solution designed for 25 LB rock tumblers. Featuring a 4-stage grit system from coarse Silicon Carbide to fine Aluminum Oxide, it delivers fast stock removal and a brilliant finish. Compatible with any tumbler brand, this refill kit offers a generous supply of premium media for consistent, high-quality gemstone polishing without the need for assembly or batteries.

## Description

MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

## 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 (36, 60/90, 120/220, 400/600, 1200 and 1500), and aluminum oxide (400/600, 1200,1500, and 12,000). 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 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 | MJR25pk |
| Assembly Required | No |
| Batteries Required | No |
| Batteries Included | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Silicon Carbide |
| Remote Control Included? | No |
| Product Dimensions | 20.32 x 15.24 x 5.72 cm; 2.27 kg |
| Item model number | MJR25pk |
| Manufacturer recommended age | 8 months and up |
| Manufacturer | MJR Tumblers |
| Item Weight | 2 kg 270 g |

## Product Details

- **Material:** Silicon Carbide, Aluminum Oxide
- **Grit Material:** Silicon Carbide, Aluminum Oxide
- **Item dimensions L x W x H:** 8 x 6 x 2.25 inches
- **Brand:** MJR Tumblers
- **Grit Type:** Coarse, Fine, Ultra Fine

## Images

![MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg)
![MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 2](https://m.media-amazon.com/images/I/71SVNiXuCwL.jpg)
![MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 3](https://m.media-amazon.com/images/I/71ENSH8w-mL.jpg)
![MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 4](https://m.media-amazon.com/images/I/61mhoieNFpL.jpg)
![MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 5](https://m.media-amazon.com/images/I/71u-VNXNY6L.jpg)

## Frequently Bought Together

- MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish
- Hiceeden 8 Pounds Rock Tumbling Filler Media, 1/5" x 2/5" Reusable Cylinder Ceramic Pellets Non-Abrasive for Rock Tumbler, Stone Polisher

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**Shop now:** [https://www.desertcart.pt/products/587390363-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers](https://www.desertcart.pt/products/587390363-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-01-28*