3M™ Hookit™ Low Profile Disc Pad is firm yet flexible to give you versatility for flat sanding applications. Use this disc pad with coarse grades where good leveling is needed. This innovative pad is constructed of firm density foam with a 35 degree tapered edge and is ideal for aggressive flat sanding operations. - New one piece threaded shank reduces vibration and improves balance. Holder enables use of 3M Hookit discs on a disc sander, rotary sander or random orbital sander. Low profile firm density foam is well suited for flat sanding applications.