3M 36150 321U Series Multi-Hole Abrasive Disc, 3 in Dia, 320 Grit, Hook and Loop, Blue

Our 3M Hookit blue abrasive disc 321U delivers best in class performance at every stage of paint prep and body repair. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of automotive sanding applications. Our multi-hole discs feature a specially-designed pattern that reduces loading, extends disc life and aligns with most backup pads. Hookit attachment makes disc changes easy.