Our 3M™ Kut-Down™ abrasive disc adapter is a vital component for bringing the benefits of 3M™ Kut-Down™ discs to a large range of grinding projects in collision repair. Use this 3 in die adapter to attach abrasive grinding discs to 7/16-20 handheld pistol grip pneumatic grinders and air sanders. Also included a 1/4 in hex mandrel for use with automotive drills, great for hard-to-reach areas.