---
product_id: 318896362
title: "Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "R2789"
currency: ZAR
in_stock: true
reviews_count: 5
category: "Mjr Tumblers"
url: https://www.desertcart.co.za/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide
store_origin: ZA
region: South Africa
---

# multi-stage polishing for flawless finish silicon carbide & aluminum oxide media 4-step precision grit system Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** R2789
**Availability:** ✅ In Stock

## Summary

> 🪨 Elevate your rock tumbling game—polish like a pro, shine like no other!

## Quick Answers

- **What is this?** Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers
- **How much does it cost?** R2789 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide)

## 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

- • **Educational & Engaging:** Perfect for hands-on learning about geology and mineral properties, ideal for ages 8+.
- • **Ready-to-Use Refill Kit:** No assembly needed—just add to your 12 LB tumbler and elevate your craft instantly.
- • **Precision 4-Step Grit System:** From coarse to ultra-fine, master every polish stage with 12oz & 6oz graded media.
- • **Ultra-Fine Aluminum Oxide Polish:** 6oz of 1200 grit polish delivers a mirror-like shine that stands out.
- • **Professional Grade Silicon Carbide:** Durable 60/90, 120/220, and 500/600 grit for expert-level rock tumbling results.

## Overview

This refill grit kit for 12 LB rock tumblers includes 12oz each of 60/90 and 120/220 silicon carbide grit, 6oz of 500/600 silicon carbide grit, and 6oz of 1200 aluminum oxide polish. Designed for multi-stage rock polishing, it requires no assembly and is perfect for educational and hobbyist use, delivering professional-grade results with every tumble.

## Description

Product description

Review: Works well - Good product
Review: cool - Nice all the way!

## Features

- 12 ounces of 60/90 Graded Silicon Carbide Grit (Step 1)
- 12 ounces of 120/220 Graded Silicon Carbide Grit (Step 2)
- 6 ounces of 500/600 Graded Silicon Carbide Grit (Step 3)
- 6 ounces of 1200 Aluminum Oxide Polish (Step 4)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07F3LNC55 |
| Age Range Description | Kid |
| Brand Name | MJR Tumblers |
| Color | Grey |
| Customer Reviews | 4.6 out of 5 stars 55 Reviews |
| Educational Objective | Learn about rock types and mineral properties through hands-on polishing activities |
| Is Assembly Required | No |
| Item Weight | 36 Ounces |
| Manufacturer | MJR Tumblers |
| Manufacturer Minimum Age (MONTHS) | 8.00 |
| Manufacturer Part Number | MJR12pgk |
| Material Type | Aluminum, carbide |
| Operation Mode | Manual |
| Size | L |
| Theme | Geology |

## Images

![Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by L***E on 26 March 2026*

Good product

### ⭐⭐⭐⭐⭐ cool
*by M***E on 8 July 2025*

Nice all the way!

### ⭐⭐⭐⭐⭐ Good
*by B***G on 9 November 2024*

Good

## 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 12lb 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"

---

## 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.co.za/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide](https://www.desertcart.co.za/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-22*