The 170FT9 is a 3M Scotch-Brite High Performance Industrial Hand Pad, 9" x 4", Fine Grit. It is a non-woven nylon hand pad with an open coat abrasive on one side for cleaning, scuffing, and finishing. This fine grit pad is designed for light material removal and finishing. It can be used for cleaning and finishing metal, plastic, fiberglass and other surfaces. The pad measures 9 inches by 4 inches.