---
product_id: 492593694
title: "MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "$202"
currency: NZD
in_stock: true
reviews_count: 5
category: "Mjr Tumblers"
url: https://www.desertcart.nz/products/492593694-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers
store_origin: NZ
region: New Zealand
---

# premium Silicon Carbide & Aluminum Oxide 75% quieter operation 4-stage grit system MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** $202
**Availability:** ✅ In Stock

## Summary

> 💎 Elevate your rock polishing game—shine brighter, work smarter!

## 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?** $202 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/492593694-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

- • **Long-Lasting Sharpness:** Premium Silicon Carbide stays harder and sharper longer for unbeatable polishing efficiency.
- • **Whisper-Quiet Tumbling:** Engineered with leak-resistant barrel and sound-dampening design for 75% less noise.
- • **Universal Compatibility:** Fits any 25 LB rock tumbler brand—freedom to upgrade without limits.
- • **Complete Polishing Solution:** Includes Silicon Carbide and Aluminum Oxide grits covering all polishing phases in one kit.
- • **Pro-Grade Multi-Stage Grit Kit:** From coarse stock removal to ultra-fine polish, achieve flawless gemstone finishes every time.

## Overview

The MJR Tumblers Refill Grit Kit is a professional-grade, 4-stage polishing media set designed for 25 LB rock tumblers. Featuring premium Silicon Carbide and Aluminum Oxide grits, it delivers fast stock removal and a brilliant finish. Compatible with any tumbler brand, this kit ensures a quieter, more efficient tumbling experience with durable materials and a comprehensive grit range for all polishing steps.

## Description

MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish : desertcart.ae: Arts & Crafts

Review: Very little product.
Review: Passion-fueled and high quality

## 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 | B0BMP1BJFB |
| Age Range Description | Kid |
| Brand Name | MJR Tumblers |
| Color | Grey |
| Customer Reviews | 4.3 out of 5 stars 482 Reviews |
| Educational Objective | Develop patience and understanding of materials through a multi-stage polishing process. |
| Included Components | Silicon Carbide Aluminum Oxide Media Polish |
| Item Dimensions | 20.3 x 15.2 x 5.7 centimeters |
| Item Type Name | MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish |
| Item Weight | 2.27 Kilograms |
| Manufacturer | MJR Tumblers |
| Manufacturer Minimum Age (MONTHS) | 8 |
| Material Type | metal, glass Silicon Carbide |
| Operation Mode | Manual |
| Power Source | Manual |
| Size | 25 lb |
| Supported Battery Types | No batteries required |
| Theme | Hobby |
| Unit Count | 1.0 Count |

## 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/51eysBrID7L.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/612EmMWHNKL.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/61POizUUQzL.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/61aeQRPy1vL.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/61mhoieNFpL.jpg)

## Customer Reviews

### ⭐ Very little product.
*by S***D on 3 January 2026*



### ⭐⭐⭐⭐⭐ Passion-fueled and high quality
*by K***A on 11 July 2025*



### ⭐⭐⭐⭐⭐ MAKES TUMBLING ROCKS SO MUCH EASIER
*by A***P on 3 September 2025*



## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nz/products/492593694-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers](https://www.desertcart.nz/products/492593694-mjr-tumblers-refill-grit-kit-for-25-lb-rock-tumblers)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*