Drill, Pistol Body Style – Air Tools, Free Speed 500 RPM, Torque 2.82 to 11.3 ft-lb, Average CFM @ 15 Second Run Time 4.10, CFM @ Full Load 16.5, Required Pressure 90 psi, Min. Hose Size 3/8 in, Handle Material Aluminum, Variable Speed Yes, Throttle Type Trigger, Bearings Ball, Housing Material Aluminum, Gear Train 2-Step Planetary, Overall Length 7 3/4 in, Tool Weight 3 lb