Grains expose fresh abrasive as they wear for 2x longer abrasive life vs. traditional abrasives.
3M 31483 6" 320+ Grade Cubitron II Clean Sanding Hookit Abrasive Discs 50/Box
3M 31483 Cubitron II Hookit Clean Sanding Abrasive Disc, 6", 320+ grade, 50 Pc
3M Cubitron II 31483 6" Sanding Discs, 320+ Grit, Purple, 50 Discs
3M 31483 Cubitron II Hookit 6 in. 320+ Grit Clean Sanding Abrasive Disc (50/Box)
