






Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.
✨ Elevate your rock polish game with pro-grade grit ⚙️
MJR Tumblers 400/600 Grit Aluminum Oxide Pre-Polish is a premium stage 3 rock polishing grit designed for rotary and vibratory tumblers. This 2lb pack delivers consistent, smooth abrasion to refine stones, glass, and minerals, preparing them perfectly for final polishing. Proudly made by a USA veteran-owned company, it ensures reliable, professional-grade lapidary results.







| ASIN | B0CP8WTB2F |
| Best Sellers Rank | #26,320 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #41 in Tumbling Media |
| Brand | MJR Tumblers |
| Brand Name | MJR Tumblers |
| Compatible Material | Glass |
| Customer Reviews | 4.4 out of 5 stars 21 Reviews |
| Grit Material | Aluminum Oxide |
| Grit Material Type | Aluminum Oxide |
| Grit Number | 600 |
| Grit Type | 400/600 |
| Included Components | Instructions and Grit |
| Item Weight | 2 pounds |
| Manufacturer | MJR Tumblers |
| Material | Aluminum Oxide, Silicon Carbide |
| Material Type | Aluminum Oxide, Silicon Carbide |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | MJR2p400/600AO |
| Unit Count | 1 Count |
Trustpilot
1 day ago
2 months ago