Drill Chuck Size - Air Drills 1/4 in Drill Chuck Type - Air Drills Keyed Reversing Yes Pistol Body Style - Air Tools Free Speed 1 875 RPM Light Duty Duty Cycle - Air Tools Air Inlet Size - Air Tools 1/4 in NPT Average CFM @ 15 Second Run Time 1.90 CFM @ Full Load 18.0 Required Pressure 90 psi Min Hose Size 3/8 in Handle Material Composite Variable Speed Yes Throttle Type Trigger Bearings Double Bearing Housing Material Composite Overall Length 7 5/8 in Tool Weight 1.8 lb