Scotch-Brite(TM) Roloc(TM) Clean and Strip XT Pro Extra Cut Disc, Abrasive Type Non-Woven, Disc Attachment System TR, Disc Attachment Type Type 3, Disc Diameter 3 in, Abrasive Grit 36, Abrasive Grade Extra Coarse, Abrasive Material Aluminum Oxide, Disc Backing Material Nylon, Max. RPM 15,000 RPM, Backing Weight Not Rated, Color Green