---
product_id: 767855163
title: ".5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA"
brand: "mjr tumblers"
price: "€ 42.87"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/767855163-5lb-of-mjr-tumblers-premium-400-600-pre-polish-aluminum
store_origin: HR
region: Croatia
---

# Universal tumbler compatibility 400/600 grit precision Proudly USA made .5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA

**Brand:** mjr tumblers
**Price:** € 42.87
**Availability:** ✅ In Stock

## Summary

> ✨ Polish like a pro, shine like a patriot 🇺🇸

## Quick Answers

- **What is this?** .5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA by mjr tumblers
- **How much does it cost?** € 42.87 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/767855163-5lb-of-mjr-tumblers-premium-400-600-pre-polish-aluminum)

## 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

- • **Made in the USA:** Crafted in Pecatonica, Illinois—quality you can trust and flaunt
- • **Stage 3 Specialist:** Optimized for the critical third step in your stone polishing journey
- • **Universal Compatibility:** Works seamlessly with any rock tumbler brand—no limits, just results
- • **Veteran & Disabled Owned:** Support a proud American company with a mission and heart
- • **Precision Polishing Power:** Premium 400/600 grit aluminum oxide for flawless stone shaping

## Overview

MJR Tumblers’ .5lb Premium 400/600 grit aluminum oxide polishing grit is expertly designed for the third stage of rock tumbling. Compatible with all tumbler brands, this American-made product supports a disabled and veteran-owned business based in Pecatonica, Illinois, delivering consistent, high-quality results for professional-grade stone polishing.

## Description

Full description not available

## Features

- Premium Quality 400/600 Grit Aluminum Oxide
- Compatible with ANY Brand of Rock Tumbler
- This Grit is For the Third Stage Shaping of Your Stones
- MJR Tumblers is a Disabled and Veteran Owned Company!
- Buy American, MJR Tumblers is Proud to be an American Owned Company Located in Pecatonica Illinois in the Good Ole USA!

## Product Details

- **Material:** Premium Quality Aluminum Oxide
- **Grit Material:** Premium Quality Aluminum Oxide
- **Brand:** MJR Tumblers
- **Grit Type:** Super Fine
- **Number of Items:** 1

## Images

![.5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - Image 1](https://m.media-amazon.com/images/I/71tK6rHezLL.jpg)
![.5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - Image 2](https://m.media-amazon.com/images/I/815b9gXXaGL.jpg)
![.5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - Image 3](https://m.media-amazon.com/images/I/91Ql9XT7NXL.jpg)
![.5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - Image 4](https://m.media-amazon.com/images/I/71MdnOT+AmL.jpg)
![.5lb of MJR Tumblers Premium 400/600 Pre-Polish Aluminum Oxide Rock Polishing Grit for Step/Stage 3, MJR Tumblers is a Disabled and Veteran Owned Company Proudly Located in USA - Image 5](https://m.media-amazon.com/images/I/61n7dv0uSrL.jpg)

## Available Options

This product comes in different **Size, Style** options.

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**Shop now:** [https://www.desertcart.hr/products/767855163-5lb-of-mjr-tumblers-premium-400-600-pre-polish-aluminum](https://www.desertcart.hr/products/767855163-5lb-of-mjr-tumblers-premium-400-600-pre-polish-aluminum)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-05*