11 TYPE; ALUMINUM OXIDE MATERIAL; 4 INCH DIA OVERALL SIZE; FLARED CUP GRINDING WHEEL; 6067-6, 6068-6, 6098 USED ON EQUIPMENT PART NO; GRINDER USED ON POWER TOOL; GRIT SIZE NUMBER 16/24; MOUNTING SIZE 5/8 INCH-11 TPI; 49-93 MODEL