DURABLE: Get the most from your 3M Roloc abrasives with this durable pad COMPATIBILITY: Adapts to fit tools with 1/4-20 and 7/16-20 shafts, or can be attached to a drill IMPROVED SUPPORT: Roloc abrasives are supported by a hard rubber pad for increased control EASY CHANGEOUTS: Use with Roloc and Scotch-Brite Grinding Discs for fast and easy disc changeouts WHAT'S INCLUDED: Includes a hard rubber pad, a Roloc shank, an adaptor and all the hardware needed for tough jobs For industrial/occupational use only. Not for consumer sale or use.