--- product_id: 587390363 title: "Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish" brand: "mjr tumblers" price: "352.33 DT" currency: TND in_stock: false reviews_count: 4 url: https://www.desertcart.tn/products/587390363-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide store_origin: TN region: Tunisia --- # pre-measured for 25lb tumblers 4-stage precision grit system USA veteran-owned quality Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish **Brand:** mjr tumblers **Price:** 352.33 DT **Availability:** ❌ Out of Stock ## Summary > 💎 Polish Like a Pro, Shine Like a Star ## 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?** 352.33 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/587390363-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 - • **Effortless Precision:** Pre-measured doses eliminate guesswork for 25lb tumblers - • **Veteran-Owned Quality:** Support a USA-based disabled veteran brand with every shine - • **Flawless 4-Stage Polish:** From rough to radiant with coarse to ultra-fine grit - • **Versatile Compatibility:** Seamlessly works with rotary & vibratory tumblers - • **Ultra-Fine 12,000 Grit Polish:** Achieve that showroom-worthy, mirror-smooth finish ## Overview The MJR Tumblers Refill Grit Kit is a complete 4-stage polishing system designed specifically for 25lb rock tumblers. Featuring silicon carbide and ultra-fine 12,000 grit aluminum oxide polish, it ensures a smooth, professional finish. Pre-measured for convenience and compatible with rotary and vibratory tumblers, this USA veteran-owned brand delivers reliable, high-quality rock polishing media for hobbyists and pros alike. ## Description MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish Review: nice grit will buy again - feels good to support a veteran Review: it works - This product did what it’s supposed to do nice shine ## Features - COMPLETE 4-STAGE ROCK POLISHING SYSTEM: This refill grit kit includes all four essential stages of rock tumbling—coarse (60/90), fine (120/220), pre-polish (400/600), and ultra-fine 12,000 grit aluminum oxide polish. Designed to guide stones from rough surfaces to a smooth, polished finish. - 12,000 GRIT ULTRA-FINE POLISH FOR FINAL FINISH: The included sub-micron aluminum oxide polish is designed for the final stage, helping bring out a smooth, refined surface. Ideal for achieving a clean and polished appearance after shaping and smoothing stages - PRE-MEASURED FOR 25LB TUMBLERS – EASY TO USE: Each stage is pre-measured specifically for 25lb rock tumblers, simplifying the polishing process. Just add the contents at each stage and let the tumbler do the work—no complicated measuring required - COMPATIBLE WITH ROTARY & VIBRATORY TUMBLERS: Works with most rock tumblers, including rotary and vibratory models. A versatile grit refill option for maintaining your polishing workflow or restocking supplies. - USA OWNED BRAND WITH QUALITY MATERIALS: Offered by a USA-based, disabled and veteran-owned company. MJR Tumblers provides reliable rock tumbling supplies designed for consistent performance and ease of use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BMP1BJFB | | Age Range Description | Kid | | Battery Types | No batteries required | | Brand | MJR Tumblers | | Customer Reviews | 4.8 out of 5 stars 10 Reviews | | Educational Objective | Team Building Skills | | Included Components | Silicon Carbide Aluminum Oxide Media Polish | | Is Assembly Required | No | | Item Dimensions | 20.3 x 15.2 x 5.7 Centimeters | | 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 | Silicon Carbide | | Minimum Recommended age | 8 | | Model Number | MJR25pk | | Operation Mode | Manual | | Power Source | Manual | | Size | For 25lb Barrel | | 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) ![Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 2](https://m.media-amazon.com/images/I/71SVNiXuCwL.jpg) ![Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 3](https://m.media-amazon.com/images/I/71ENSH8w-mL.jpg) ![Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 4](https://m.media-amazon.com/images/I/61mhoieNFpL.jpg) ![Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 5](https://m.media-amazon.com/images/I/71u-VNXNY6L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ nice grit will buy again *by W***N on 2 June 2026* feels good to support a veteran ### ⭐⭐⭐⭐ it works *by A***R on 19 December 2024* This product did what it’s supposed to do nice shine ### ⭐⭐⭐⭐⭐ Well worth the money. Very good quality *by S***D on 25 March 2025* I absolutely love this rock polishing grit. I have had very good luck with it. ## 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? - 🛒 **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.tn/products/587390363-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide](https://www.desertcart.tn/products/587390363-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-05*