---
product_id: 185308598
title: "Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 20lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned"
brand: "mjr tumblers"
price: "¥14573"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/185308598-refill-grit-kit-w-mjr-tumblers-premium-quality-extreme-polish
store_origin: JP
region: Japan
---

# premeasured 4-stage kit 12,000 grit extreme polish Veteran & Disabled owned USA brand Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 20lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned

**Brand:** mjr tumblers
**Price:** ¥14573
**Availability:** ✅ In Stock

## Summary

> ✨ Polish Like a Pro, Shine Like No Other! ⚙️

## Quick Answers

- **What is this?** Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 20lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned by mjr tumblers
- **How much does it cost?** ¥14573 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/185308598-refill-grit-kit-w-mjr-tumblers-premium-quality-extreme-polish)

## 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

- • **Complete 20lb Kit:** Includes coarse, fine, pre-polish, and extreme polish for professional-grade results.
- • **Expert Guidance Included:** Step-by-step instructions with insider tips ensure flawless rock tumbling every time.
- • **Effortless 4-Stage System:** Premeasured grits for all tumbler types—just pour and polish, no guesswork needed.
- • **Unmatched 12,000 Grit Polish:** Experience the ultimate shine with our exclusive sub-micron aluminum oxide formula.
- • **Proudly American & Veteran Owned:** Support a disabled and veteran-owned business based in Pecatonica, Illinois.

## Overview

MJR Tumblers' Refill Grit Kit delivers a premium 4-stage polishing experience with exclusive 12,000 grit sub-micron aluminum oxide polish, designed for 20lb rotary and vibratory rock tumblers. Premeasured for convenience and backed by expert instructions, this veteran-owned American brand guarantees unparalleled shine and ease of use.

## Description

Full description not available

## Features

- Extreme Polish! Every rock tumbling kit from MJR Tumblers comes with our Exclusive 12,000 Grit Sub Micron Extreme Aluminum Oxide Polish! No other polish even comes close to our results. If you want the best, MJR Tumblers 12,000 Grit Aluminum Oxide Extreme Polish is what you need!
- MJR Tumblers is a Disabled and Veteran Owned Company!
- Premeasured and works with all rotary and vibratory tumblers. All 4 Stages are premeasured for your tumbler, just pour and roll! It Can’t get easier than that!
- Each 20lb kit contains the following: 20oz of course 60/90 silicon carbide grit, 20oz of fine 120/220 silicon carbide grit, 10oz of pre polish 400/600 silicon carbide grit, 10oz of MJR Tumblers Exclusive 12,000 grit Extreme Aluminum Oxide Polish
- MJR Tumblers is Proud to be an American company located in Pecatonica Illinois in the good ole USA!
- Includes easy to understand rock polishing instructions with lots of tips and tricks with every purchase from MJR Tumblers!

## Images

![Refill Grit Kit w MJR Tumblers Premium Quality Extreme Polish 12,000 Grit Sub Micron Aluminum Oxide Polish for Unparalleled Result. For 20lb Rock Tumblers w Silicon Carbide, Disabled and Veteran Owned - Image 1](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg)

## Available Options

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

---

## 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.jp/products/185308598-refill-grit-kit-w-mjr-tumblers-premium-quality-extreme-polish](https://www.desertcart.jp/products/185308598-refill-grit-kit-w-mjr-tumblers-premium-quality-extreme-polish)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-26*