

✨ Polish Like a Pro, Shine Like No Other! ✨
MJR Tumblers’ 4-pound Extreme Polish features an exclusive 12,000 grit sub-micron aluminum oxide formula that is ten times finer than standard 1,200 grit powders, delivering superior rock polishing results. This premium product is crafted by a Disabled and Veteran Owned company, ensuring top-tier quality and performance for serious hobbyists and professionals alike.







| ASIN | B0D4PQ6XS7 |
| Best Sellers Rank | 85,438 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 46 in Tumbling Media |
| Brand | MJR Tumblers |
| Compatible Material | Stone |
| Customer Reviews | 4.5 out of 5 stars 18 Reviews |
| Grit Material Type | Aluminium Oxide |
| Grit Number | 12000 |
| Grit Type | Extreme Polish |
| Grit material | Aluminium Oxide |
| Grit number | 12000 |
| Grit type | Extreme Polish |
| Item Weight | 4 Pounds |
| Item weight | 4 Pounds |
| Manufacturer | MJR Tumblers |
| Manufacturer Part Number | MJR-12000-4LB |
| Material | Extreme Aluminum Oxide |
| Number of Items | 4 |
| Unit Count | 1.0 count |
P**!
Well packed parcel
Great product great delivery, 100* / 100*
E**N
This will get you to shiny!
I got a Lortone dual tumbler for Christmas and a kit of grit to go with it. I wasn’t getting the shine I wanted with the level 4 grit that came with the kit so I looked at reviews for a final stage grit and this one came up. I am not disappointed! This did the trick! I don’t want super shiny, just a shine but this grit can do both, all about the timing. Excellent product, totally recommend!
R**B
Great finishing polish
I will be buying it again
T**V
Works!
We got some rock tumblers around Christmas and they’ve been running since then. We could never get the polished shine we expected, some of these rocks have been final polished or burnished for weeks without getting them to shine. I decided to give this product a try. It arrived four days ago and I immediately started the problem rocks tumbling in it. I just checked today and they already have a beautiful shine when dry! The grit is pricey, but you cut can cut the cost in half by buying five pounds.
K**.
Beautiful shine
I used this as a final polish on rocks in my rock tumbler. I wasn't pleased with the results I had been getting before using this, but now I'm very happy. They come out very shiny and smooth.
Trustpilot
2 months ago
2 months ago