Standard Pack = 1 piece(s). Type = Deburring Wheel Mandrel ; Hardware Type = Mandrel ; Wheel Hole Size Compatibility = 3/8 Inch ; Minimum Wheel Width Compatibility = 1/8 Inch ; Maximum Wheel Width Compatibility = 1/2 Inch ; Minimum Wheel Diameter Compatibility = 2 Inch ; Maximum Wheel Diameter Compatibility = 4 Inch ; Shank Diameter = 1/4 Inch ; Shank Length = 1 3/4 Inch ; Maximum RPM = 25100 ; Overall Length = 1 3/4 Inch ;