⚡ Shape Rocks Faster, Shine Brighter – Join the Elite Tumbler Tribe!
MJR Tumblers 36 Grit Silicon Carbide is a premium, extra coarse rock polishing grit designed for the first shaping stage. It cuts shaping time down to 4 days, nearly half the time of traditional 60/90 grit, and is compatible with all rock tumbler brands. Proudly made in the USA by a disabled and veteran-owned company, it includes free expert polishing instructions to ensure your stones reach their full potential.
Trustpilot
5 days ago
1 week ago
2 weeks ago
4 days ago