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💎 Elevate your rock game—shine smarter, not harder!
The MJR Tumblers Refill Grit Kit is a professional-grade 4-step polishing system designed for 12 lb rock tumblers. Featuring premium Silicon Carbide and Aluminum Oxide grits, it delivers fast, high-quality stock removal and a brilliant finish. Compatible with any tumbler brand, this kit includes all you need plus free polishing instructions, ensuring a quieter, efficient, and flawless rock polishing experience.
| Package Dimensions | 21.8 x 13.3 x 4.4 cm; 1.02 kg |
| Manufacturer recommended age | 8 months and up |
| Manufacturer reference | MJR12pgk |
| Educational Objective(s) | Learn about rock types and mineral properties through hands-on polishing activities |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| tech_spec_battery_description_toys | No batteries required |
| Material Type(s) | Aluminum Oxide Silicon Carbide |
| Colour | Grey |
| ASIN | B07F3LNC55 |
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