3M™ Hookit™ Clean Sanding Low Profile Disc Pad. Precise multi-hole pattern provides superior dust extraction to prevent loading, increase productivity, and provide a cleaner work environment. One piece threaded shank for low vibration and improved balance. Low profile firm density foam and blunt 35 degree tapered edge provide durability and an aggressive cut. Provides easy disc changes and optimizes disc life. 6", 52-hole, Hook & Loop.