Standard pack = 1 piece(s). Type = Cutting Wheel ; Wheel Diameter = 4 Inch ; Arbor Hole = 1/4 Inch; Wheel Thickness = 1/16 Inch ; Abrasive Material = Ceramic ; Maximum RPM = 19100 ; Grade/Hardness = T ; Material Application = Armored Steel, High-Nickel Alloys, Inconel, Stainless Steel, Steel, Titanium, Tool Steel ; Grit = 36 ; Wheel Type Number = Type 1 ;