Specification: Free Speed (rpm): 12,000 Max.Torque ft-lb (N.M): 80 (108) Overall length: 139mm Air Inlet (inch) : 1/4 Air Hose (inch): 3/8 Average Air Consumption (cfm) / (1/min) : 2.1 / (59) Net Weight: 0.53Kg Warranty 6 Months