50 Pack - 3" Zirconia 80 Grit Quick Change Sanding Disc Black Hawk,

Zirconia Grains last twice as long as the Aluminum Oxide alternative. Fastener: Type R - Male Roll On (Equivalent to 3M Roloc fastening system). Sanding Belts. Suitable For: Uses include cleaning up welds, removing paint scale oxidation, paints and protective waxes, surface leveling, mold and cavity grinding.