Contaminant-Free Premium Regular Coated Abrasive Flap Disc, 4 in Dia, 5/8 in Center Hole, 36 Grit, M
CGW Coated Abrasive Flap Disc, Contaminant-Free Premium Regular, 4 in Disc Dia, 5/8 in Center Hole, 36 Grit, Medium Grade, Z3 Zirconia Alumina Abrasive, Type 27/Depressed Center Flat Disc, Cotton/Heat Treated Poly Backing, 15300 rpm Maximum, Blue.