--- product_id: 509702302 title: "Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish" brand: "mjr tumblers" price: "518.15 DT" currency: TND in_stock: true category: "Mjr Tumblers" url: https://www.desertcart.tn/products/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide store_origin: TN region: Tunisia --- # 75% quieter tumbling 7-day polish cycle 4-stage grit system Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish **Brand:** mjr tumblers **Price:** 518.15 DT **Availability:** ✅ In Stock ## Summary > 💎 Elevate your rock game—polish like a pro, shine like no other! ## 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?** 518.15 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - • **Long-Lasting Sharpness:** Premium Silicon Carbide stays sharper longer, delivering superior polishing power. - • **Whisper-Quiet Tumbling:** Experience 75% noise reduction with leak-resistant barrels and heavy-duty build. - • **Universal Compatibility:** Works seamlessly with any 15 LB rock tumbler brand—freedom to choose your gear. - • **Pro-Grade 4-Step Grit Kit:** From coarse Silicon Carbide to fine Aluminum Oxide for flawless finishes every time. - • **Effortless Shine in a Week:** Achieve showroom-quality gemstone polish in just 7 days—fast results, no compromise. ## Overview The MJR Tumblers Refill Grit Kit offers a professional-grade, four-stage polishing system using Silicon Carbide and Aluminum Oxide grits designed for 15 LB rock tumblers. Compatible with any brand, it ensures quick, high-quality gemstone polishing with a quieter, durable tumbling experience. ## Description MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish : desertcart.co.uk: Home & Kitchen ## 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 | | Best Sellers Rank | 2,264,342 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 335 in Polishing & Buffing | | Brand Name | MJR Tumblers | | Colour | Grey | | Customer Reviews | 4.4 4.4 out of 5 stars (762) | | 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 | | Manufacturer recommended age | 8 months - 8 years | | Material Type | Silicon Carbide Aluminum Oxide | | Model Number | MJR25pk | | Number of Packs | 1 | | 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 - **Brand:** MJR Tumblers - **Grit material:** Aluminium Oxide - **Grit type:** Coarse - **Item dimensions L x W x H:** 20.3 x 15.2 x 3.8 centimetres - **Material:** Aluminum Oxide Silicon Carbide ## 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. ## 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/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide](https://www.desertcart.tn/products/509702302-refill-grit-kit-for-25-lb-rock-tumblers-silicon-carbide) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-08*