Standard Pack = 1 piece(s). Arbor Hole = 2 IN ; Diameter = 12 IN ; Face Width = 1 1/4 IN ; Fill Diameter = 0.040 IN ; Grit = 80 ; Material = Nylox Filament ; RPM = 1,800 ; Thickness = 7/8 IN ; Trim Length = 3 IN ; Type = 80 Grit Straight Wheel ; Wire Size = 0.040 IN ;