Die Grinder Duty Heavy Duty Horsepower 0.3 hp Collet Size 1/4 in Grinder Orientation Straight Extended Air Inlet Connection Size 1/4 in Air Inlet Gender Female Max Speed 27 000 RPM Air Inlet Type NPT Air Inlet 1/4 in NPT Female Tool Style Straight Kit Contents (1) Bare Tool Includes (1) 1/4 in Collet (1) 3mm Collet (1) 6mm Collet (1) Spanner Case Included No Grip Style Barrel Grip Material Application Ceramic Glass Steel Wood Safety Stop Mechanisms Safety Start/Stop