2” Aluminum Oxide discs (36 grit) (25 pack)

2” Aluminum Oxide discs (36 grit) (25 pack) Aluminum Oxide offers average life on a hard, resin backing for longer life than cloth discs. These flexible discs resist chipping, snagging, and cracking. For use on air grinders that are compatible with all 3M styles, Type “R” backing pads. Especially good on extra hard metals. 25,000 RPM.