Closed coat structure for more material removal and better finishing.
United Abrasives - Sait 3A Fiber Disc 4-1/2" x 7/8" 60 Grit Aluminum Oxide United abrasives - sait 50161 3a fiber disc 4-1/2" x 7/8" 60 grit aluminum oxide premium aluminum oxide grain with grinding aid. Special aluminum oxide grain to reduce heat build up and reduce loading..