- The hardest mineral is a must for finishing materials harder than 60 Rockwell C such as thermal sprayed tungsten carbide, chrome oxide, glass, stone, chilled iron and forged steel.
- For use on Dynabrade’s Superfinisher to achieve predictable, consistent and repeatable finishes on a variety of materials.

3M 29858, Sanding Screen, 80 grit, 12 in x 18 in, 7100161088
3M 00261, Bondo Body Filler, 1 pint (14oz), 7010362870 
