---
product_id: 318896362
title: "Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish"
brand: "mjr tumblers"
price: "€ 145.57"
currency: EUR
in_stock: true
reviews_count: 5
category: "Mjr Tumblers"
url: https://www.desertcart.hr/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide
store_origin: HR
region: Croatia
---

# Exact graded grit sizes for flawless polish Faster cutting with high-purity green silicon carbide 4-step precision grit system Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

**Brand:** mjr tumblers
**Price:** € 145.57
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your rock tumbling game—polish like a pro! ⚙️

## 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?** € 145.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **Custom-Weighted Packs:** Perfectly portioned for 12 lb rock tumblers—no guesswork needed
- • **Versatile & Expandable:** Compatible with a wide range of grit sizes and tumbler models
- • **Precision 4-Stage Grit System:** From coarse to ultra-fine for professional-grade polishing
- • **High-Purity Green Silicon Carbide:** Sharper, harder, and faster cutting for efficient tumbling
- • **Free Polishing Instructions Included:** Step-by-step guidance to achieve showroom-quality results

## Overview

The MJR Tumblers Refill Grit Kit is a meticulously crafted 4-step polishing system designed for 12 lb rock tumblers. Featuring 36 ounces of graded silicon carbide grit and aluminum oxide polish, including a superior green silicon carbide blend for faster, sharper cutting, this kit ensures professional-quality results. It comes with free polishing instructions and is perfectly portioned for hassle-free use, making it ideal for hobbyists and pros aiming for flawless, showroom-worthy stones.

## Description

Buy MJR Tumblers Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Nice all the way!
Review: Good

## 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 |
| Assembly Required | No |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Grey |
| Customer Reviews | 4.6 4.6 out of 5 stars (49) |
| Date First Available | 25 August 2018 |
| Educational Objective(s) | Learn about rock types and mineral properties through hands-on polishing activities |
| Manufacturer recommended age | 8 months and up |
| Manufacturer reference | MJR12pgk |
| Material Type(s) | Aluminum, carbide |
| Package Dimensions | 21.8 x 13.3 x 4.4 cm; 1.02 kg |

## 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

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

Nice all the way!

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

Good

### ⭐⭐⭐ Review
*by C***D on 6 May 2022*

You get 2.5 lbs of media. Utterly misleading title. Who measures by the weight of media by the rocks you can allegedly tumble?

## 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"

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**Shop now:** [https://www.desertcart.hr/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide](https://www.desertcart.hr/products/318896362-refill-grit-kit-for-12-lb-rock-tumblers-silicon-carbide)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-17*