10 PK Mini Grinding Discs with Twist to lock Backing 3
10 PK Mini Grinding Discs with Twist-to-lock Backing – 3″ 36 Grit. $ 18.19. Aluminum oxide discs are aggressive, long-life and flexible discs that resist chipping, snagging and cracking. For use on air grinders and are compatible with all 3M style (Type 3) backing pads. 20,000 RPM.