Standard Pack = 1 piece(s). Diameter = 4 1/2 IN ; Grit = 120 ; Hole Size = 7/8 IN ; Material = Zirconia Alumina ; RPM = 13000 ; Size = 4 1/2 IN x 7/8 IN ; Standard Pack = 5 ; Style = Premier Red - Resin Cloth ; Type = Flap Disc ; Wheel Type = T27 ;