Drill HP - Air Tools 0.50 Chuck Size - Air Drills 3/8 in Drill Chuck Type - Air Drills Keyed Reversing No Pistol Body Style - Air Tools Free Speed 2 100 RPM General Duty Duty Cycle - Air Tools Air Inlet Size - Air Tools 1/4 in NPT Average CFM @ 15 Second Run Time 4.75 CFM @ Full Load 19.0 Required Pressure 90 psi Min Hose Size 1/4 in Handle Material Metal Variable Speed Yes Throttle Type Trigger Bearings Ball Housing Material Composite Gear Train Planetary