Needle and Chisel Scaler Kit, Body Style - Air Tools In-Line, Duty Cycle - Air Tools Industrial Duty, Stroke Length 1 19/64 in, Blows per Minute - Air Tools 4,600, Air Inlet Size - Air Tools 1/4 in NPT, Average CFM @ 15 Second Run Time 3.65, CFM @ Full Load 10.0, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 16 1/2 in, Housing Lock Bayonet Needle, Throttle Lever, Standards ISO15744, ISO8662-14, For Use With Chisels, Needles WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -