Needle Scaler Kit Body Style - Air Tools In-Line Duty Cycle - Air Tools Industrial Duty Stroke Length 1 1/8 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 17 1/2 in Shank 1/2 in Square Housing Lock Needle Throttle Lever Standards ISO-28927-9 For Use With Needles Includes (19) Steel Needles 7 in x 1/8 in