Needle Scaler Kit, Body Style - Air Tools In-Line, Duty Cycle - Air Tools Industrial Duty, Stroke Length 1 5/8 in, Blows per Minute - Air Tools 3,000, Air Inlet Size - Air Tools 1/4 in NPT, Average CFM @ 15 Second Run Time 1.0, CFM @ Full Load 3.0, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 14 3/8 in, Shank .92 in, Housing Lock Needle, Throttle Lever, Standards ISO-28927-9, For Use With Needles, Includes (19) Steel Needles 7 in x 1/8 in