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โจ Elevate your stones to museum-quality shine! โจ
MJR Tumblers 12,000 Grit Aluminum Oxide Polish Powder is an ultra-fine, premium-grade polishing compound designed for the final stage of rock tumbling. Compatible with rotary and vibratory tumblers, it delivers consistent, high-gloss finishes on rocks, minerals, and glass. Proudly made by a USA-based veteran-owned company, this 20lb supply ensures professional lapidary results every time.







| ASIN | B0D4P81DFY |
| Best Sellers Rank | #21,440 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Tumbling Media |
| Brand Name | MJR Tumblers |
| Compatible Material | Aluminum Oxide |
| Customer Reviews | 4.6 4.6 out of 5 stars (147) |
| Grit Material Type | Extreme Aluminum Oxide |
| Grit Number | 12000 |
| Grit Type | Extreme Polish |
| Manufacturer | MJR Tumblers |
| Material Type | Extreme Aluminum Oxide |
| Part Number | MJR-12000-20LB |
| Unit Count | 1.0 Count |
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