Needle Scaler Kit, Body Style - Air Tools In-Line, Duty Cycle - Air Tools General Duty, Stroke Length 7/16 in, Blows per Minute - Air Tools 2,400, Air Inlet Size - Air Tools 1/4 in NPT, Average CFM @ 15 Second Run Time 5.1, CFM @ Full Load 5.1, Required Pressure 90 psi, Min. Hose Size 3/8 in, Overall Length 14 1/4 in, Design Straight, Shank 1/2 in, Housing Lock Needle, Throttle Lever, Standards ANSI, OSHA, For Use With Chisels; Needles