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✨ Elevate your rock game—shine like the pros do! ⚡
The MJR Tumblers Refill Grit Kit offers a professional 4-stage polishing system using Silicon Carbide and Aluminum Oxide grits. Designed for fast, high-quality rock tumbling, it fits any brand tumbler and ensures long-lasting sharpness and quieter operation. Perfect for millennials who demand efficiency and flawless results in their creative hobbies.
| ASIN | B07F3Q72YD |
| Best Sellers Rank | 130,335 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 75 in Tumbling Media |
| Brand | MJR Tumblers |
| Compatible Material | Aluminium |
| Customer Reviews | 4.4 out of 5 stars 752 Reviews |
| Grit Material Type | Aluminium Oxide |
| Grit Number | 12000 |
| Grit Type | Coarse |
| Grit material | Aluminium Oxide |
| Grit type | Coarse |
| Item Dimensions | 20.3 x 15.2 x 3.8 centimetres |
| Item Weight | 1.45 Kilograms |
| Item dimensions L x W x H | 20.3 x 15.2 x 3.8 centimetres |
| Item weight | 1.45 Kilograms |
| Manufacturer | MJR Tumblers |
| Manufacturer Part Number | MJR15pgk |
| Material | Aluminum Oxide Silicon Carbide |
| Model Number | MJR15pgk |
| Number of Items | 4 |
| Unit Count | 1.0 count |
T**N
received
After 11 days, I received the grit! Polishes rocks nicely!
A**Y
Worked as advertised
I'm new to rock tumbling, I've used a few different polishing grits and this is the best one so far. I ran this polish cycle for 7 days and am happy with the results.
K**A
Passion-fueled and high quality
This grit and polish set is exceptional. You can tell it was crafted by people who genuinely care — not just about rocks, but about the process and purpose. This company emanates expertise and enthusiasm, and that shows in the results. My rocks came out more beautiful than ever and I would prefer to buy only from these rock guys. The picture is of some rocks from my apartment landscaping after the process . The instructions are detailed but easy to follow. It’s not your typical instruction manual, rather a sincere document created by the seller from the heart (their tips and tricks included!). It’s really unique and special. I’ve been using a “gimmicky” tumbler set for my HS STEM program and at home with my kids. As a teacher, is a great tool for many lessons and even many subjects.
S**D
Very little product.
Buyer Beware! Read the small print on the size. This is a shockingly small amount of grit for the price. You might get 2 tumbles......maybe. I've paid less than this for 4 times the amount and just as good. Very misleading and sneaky.
J**E
This is TRUE GRIT!
This is simply some of the best quality tumbler grit I have used. If you do the first three stages properly, then the 12,000 girt polish will be perfect. All in all this is good, works well in each stage, easy to use. the only thing that might make it better would be to package it in bottles instead of bags, but honestly, that's about it.
Trustpilot
2 weeks ago
1 week ago