--- product_id: 559456958 title: "Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish" brand: "mjr tumblers" price: "€ 297.49" currency: EUR in_stock: true category: "Mjr Tumblers" url: https://www.desertcart.gr/products/559456958-refill-grit-kit-for-20-lb-rock-tumblers-silicon-carbide store_origin: GR region: Greece --- # 1200 Aluminum Oxide Polish - mirror finish shine High-purity Green Silicon Carbide - faster, sharper cutting 60/90 & 120/220 Silicon Carbide Grit - precision grinding Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish **Brand:** mjr tumblers **Price:** € 297.49 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your rock tumbling game with pro-grade grit and polish! ## Quick Answers - **What is this?** Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish by mjr tumblers - **How much does it cost?** € 297.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/559456958-refill-grit-kit-for-20-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 - • **Versatile Compatibility:** Designed specifically for 20 lb tumblers, perfect for hobbyists and pros alike - • **Generous 60 oz Total Volume:** Ample supply tailored for 20 lb tumblers to keep your projects uninterrupted - • **Precision Multi-Stage Grit System:** Four-step grading from coarse to ultra-fine for flawless rock tumbling results - • **Premium Green Silicon Carbide Blend:** Harder and sharper grit that accelerates polishing speed and durability - • **Comes with Expert Polishing Instructions:** Step-by-step guide ensures professional-grade finishes every time ## Overview This MJR Tumblers Refill Grit Kit includes 60 ounces of graded Silicon Carbide grit and Aluminum Oxide polish, optimized for 20 lb rock tumblers. Featuring a superior green/black silicon carbide blend for faster, sharper cutting and a four-step process from coarse grinding to mirror polishing, it delivers professional results. The kit comes with free polishing instructions and is ideal for hobbyists seeking precision and efficiency in rock tumbling. ## Description Grit Kit for 20 pound Rock Tumblers20 ounces of 60/90 Graded Silicon Carbide Grit (Step 1) 20 ounces of 120/220 Graded Silicon Carbide Grit (Step 2) 10 ounces of 500/600 Graded Silicon Carbide Grit (Step 3) 10 ounces of 1200 Aluminum Oxide Polish (Step 4) Comes with FREE Polishing Instructions We use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster than Black Silicon Carbide because it's harder and stays sharper longer. MJR Tumblers offers a large selection of heavy duty tumblers, a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500) and aluminum oxide (400/600 and 1200). These can be purchased individually in any weight denomination that fits your needs or we have pre-made kits for your specific size tumbler. We have kits available with or without plastic pellets. ## Features - 20 ounces of 60/90 Graded Silicon Carbide Grit (Step 1) - 20 ounces of 120/220 Graded Silicon Carbide Grit (Step 2) - 10 ounces of 500/600 Graded Silicon Carbide Grit (Step 3) - 10 ounces of 1200 Aluminum Oxide Polish (Step 4) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07F6YBMZC | | Battery Types | No batteries required | | Brand | MJR Tumblers | | Colour | Grey | | Customer Reviews | 4.6 4.6 out of 5 stars (40) | | Educational Objective | Develop fine motor skills, patience, and understanding of sequential processes through hands-on learning. | | Is Assembly Required | No | | Item Weight | 60 Ounces | | Manufacturer | MJR Tumblers | | Manufacturer Part Number | MJR20pgk | | Manufacturer recommended age | 8 months and up | | Material | Aluminum Oxide Silicon Carbide | | Operation Mode | Manual | | Power Source | manual | | Size | Large | | Unit Count | 1 Count | ## Images ![Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 1](https://m.media-amazon.com/images/I/41orvMMQEnL.jpg) ![Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 2](https://m.media-amazon.com/images/I/51dlXNjXKJL.jpg) ![Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 3](https://m.media-amazon.com/images/I/51WQWa-9rkL.jpg) ![Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 4](https://m.media-amazon.com/images/I/51w5F536ygL.jpg) ![Refill Grit Kit for 20 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish - Image 5](https://m.media-amazon.com/images/I/510Y2WkXQuL.jpg) --- ## 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.gr/products/559456958-refill-grit-kit-for-20-lb-rock-tumblers-silicon-carbide](https://www.desertcart.gr/products/559456958-refill-grit-kit-for-20-lb-rock-tumblers-silicon-carbide) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-11*