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✨ Elevate your rock polishing game with pro-grade grit ⚙️
MJR Tumblers’ 5lb 400/600 grit aluminum oxide pre-polish grit is engineered for stage 3 rock tumbling, delivering consistent, fine abrasion to refine stone surfaces before final polishing. Compatible with rotary and vibratory tumblers, this premium lapidary grit is perfect for rocks, minerals, and glass. Proudly USA-made by a veteran-owned company, it offers reliable quality and a supportive community for enthusiasts.
| ASIN | B0CP8WG7SW |
| Best Sellers Rank | #20,247 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Tumbling Media |
| Brand | MJR Tumblers |
| Brand Name | MJR Tumblers |
| Compatible Material | Premium Quality Aluminum Oxide |
| Customer Reviews | 4.3 out of 5 stars 17 Reviews |
| Grit Material | Premium Quality Aluminum Oxide |
| Grit Material Type | Premium Quality Aluminum Oxide |
| Grit Number | 600 |
| Grit Type | Super Fine |
| Included Components | Instructions and Grit |
| Item Weight | 5 Pounds |
| Manufacturer | MJR Tumblers |
| Material | Premium Quality Aluminum Oxide |
| Material Type | Premium Quality Aluminum Oxide |
| Number of Items | 1 |
| Part Number | MJR5p400/600AO |
| Unit Count | 1.0 Count |
J**K
Great Product Line and Attention to Detail
I recently placed an order for 4lbs of step 3 pre-polish aluminum oxide from MJR Tumblers, and was pleasantly surprised that each lb was separated into 4 heavy duty ziplock bags. This allows me to store just wants needed in my storage ben, while keeping my extra product in the semi air tight bag which it was shipped in. I was also impressed with there product line, I struggled to find 400 to 600 grit in the aluminum oxide on Amazon, but I am happy MJR Tumblers turned out to be the only one I could find, because i plan on making more orders with this company😊 they also sent some great literature along with my order, including knowledge of there FB page I can join and share my passion with other Rock Hounders🥰 Thank you for this service AND a Special Thanks for your Service 🫡100% satisfied customer!!!
Z**A
Exactly as described
Is exactly what it claims and works great at a reasonable cost.
B**.
True Grit
Good stuff and value with Prime shipping
Trustpilot
1 day ago
2 months ago