Chisel Scaler, Body Style - Air Tools In-Line, Duty Cycle - Air Tools Industrial Duty, Stroke Length 1 7/64 in, Blows per Minute - Air Tools 4,600, Air Inlet Size - Air Tools 3/8 in NPT, Average CFM @ 15 Second Run Time 2.5, CFM @ Full Load 10.2, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 9 3/8 in, Shank 1/2 in Square, Throttle Lever, Standards EN ISO 28927-6, ISO 15744, ISO 28927-9, For Use With 19 x 1/8 in Needle Capacity