--- product_id: 509702302 title: "Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish" brand: "mjr tumblers" price: "4681106β‚«" currency: VND in_stock: true reviews_count: 3 category: "Mjr Tumblers" url: https://www.desertcart.vn/products/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide store_origin: VN region: Vietnam --- # 12,000 grit extreme polish for mirror shine 4-stage premeasured grit system Proudly American made, veteran-owned Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish **Brand:** mjr tumblers **Price:** 4681106β‚« **Availability:** βœ… In Stock ## Summary > πŸ’Ž Elevate your rock tumbling game with the ultimate shine kit! ## Quick Answers - **What is this?** Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers - **How much does it cost?** 4681106β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/509702302-refill-grit-kit-for-25-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 - β€’ **Unmatched Shine:** Exclusive 12,000 grit aluminum oxide polish delivers a mirror-like finish every time. - β€’ **Effortless Precision:** Premeasured 4-stage grit kitβ€”just pour and polish, no guesswork! - β€’ **Veteran-Owned Quality:** Support a disabled and veteran-owned American company with every purchase. - β€’ **Versatile Compatibility:** Works seamlessly with all rotary and vibratory 25 lb rock tumblers. - β€’ **Expert Guidance Included:** Step-by-step instructions with pro tips ensure flawless results for all skill levels. ## Overview The MJR Tumblers Refill Grit Kit is a premium 4-stage silicon carbide and aluminum oxide polishing system designed for 25 lb rock tumblers. Featuring an exclusive 12,000 grit extreme polish, this American-made, veteran-owned product guarantees professional-grade results with easy, premeasured stages compatible with rotary and vibratory tumblers. Ideal for hobbyists seeking flawless, mirror-quality finishes. ## Description MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish : desertcart.co.uk: Home & Kitchen Review: This product did what it’s supposed to do nice shine Review: I absolutely love this rock polishing grit. I have had very good luck with it. ## 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 25lb kit contains the following: 25oz of course 60/90 silicon carbide grit, 25oz of fine 120/220 silicon carbide grit, 12.5oz of pre polish 400/600 silicon carbide grit, 12.5oz 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! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BMP1BJFB | | Age Range Description | Kid | | Best Sellers Rank | 994,948 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 163 in Polishing & Buffing | | Brand Name | MJR Tumblers | | Colour | Grey | | Customer Reviews | 4.7 4.7 out of 5 stars (9) | | Educational Objective | Game, play | | Included Components | Silicon Carbide Aluminum Oxide Media Polish | | Is Assembly Required | No | | Item Dimensions | 20.3 x 15.2 x 5.7 centimetres | | 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 Part Number | MJR25pk | | Material Type | Silicon Carbide Aluminum Oxide | | Maximum Age Recommendation | 100 | | Minimum Age Recommendation | 8 | | Model Number | MJR25pk | | Operation Mode | Manual | | Power Source | Manual | | Set Name | 25 lb Tumbler Kit | | Size | Small | | 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 ![Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/61aeQRPy1vL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐ Review *by A***R on 19 December 2024* This product did what it’s supposed to do nice shine ### ⭐⭐⭐⭐⭐ Review *by S***D on 25 March 2025* I absolutely love this rock polishing grit. I have had very good luck with it. ### ⭐⭐⭐⭐⭐ Review *by P***. on 17 June 2024* Love the amount in this order! Perfect size grit for each stage! Fast shipping! ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide](https://www.desertcart.vn/products/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-17*