Needle Scaler Kit, Body Style - Air Tools In-Line, Duty Cycle - Air Tools General Duty, Stroke Length 5/8 in, Blows per Minute - Air Tools 6,000, Air Inlet Size - Air Tools 1/4 in NPT, Average CFM @ 15 Second Run Time 3.0, CFM @ Full Load 12.0, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 11 1/2 in, Design Ergonomic, Throttle Lever, Includes (12) Needles