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