3M™ Roloc™ Disc Pad Assembly 05540 is ideal for auto body repair jobs such as rust and coating removal and metal surface cleaning. The system includes a hard rubber pad, a Roloc™ shank, an adaptor, and all other necessary hardware. The hard rubber pad firmly attaches to the abrasive for accurate grinding, cleaning, and finishing. The included Roloc™ shank makes it a snap to attach to common drills and air tools with 1/4-20 and 7/16-20 shafts. Use with Roloc™ and Scotch-Brite™ Grinding Discs for fast and easy disc changeouts 3M™ Roloc™ Disc Pad Assembly 05540 is the go-to backup pad for the toughest collision and auto body jobs.