Drill HP - Air Tools 0.50 Chuck Size - Air Drills 1/4 in Drill Chuck Type - Air Drills Keyed Reversing No Pistol Body Style - Air Tools Free Speed 2 400 RPM Industrial Duty Duty Cycle - Air Tools Torque 0.60 to 2.40 ft-lb Air Inlet Size - Air Tools 1/4 in NPT Average CFM @ 15 Second Run Time 5.30 CFM @ Full Load 21.0 Required Pressure 90 psi Min Hose Size 3/8 in Handle Material Aluminum Variable Speed Yes Throttle Type Trigger Bearings Ball Bearing Housing Material Aluminum