CENTER TYPE; ALUMINUM OXIDE MATERIAL; 1/4 INCH THK OVERALL SIZE; 5 INCH DIA DESIGNATED SIZE; GRINDING WHEEL; (9005B, 9015DB, 9505BHZ, 9015B) USED ON MODEL/BRAND; GRINDER USED ON POWER TOOL; ANGLE, DISC USED ON POWER TOOL TYPE; MAKITA. BRAND