Needle and Chisel Scaler Body Style - Air Tools In-Line Duty Cycle - Air Tools Industrial Duty Stroke Length 1 17/32 in Blows per Minute - Air Tools 4 800 Air Inlet Size - Air Tools 1/4 in NPT Average CFM @ 15 Second Run Time 3.1 CFM @ Full Load 12.4 Required Pressure 90 psi Min Hose Size 3/8 in Overall Length 14 5/8 in Housing Lock Bayonet Needle Throttle Lever For Use With Chisels Needles Includes Angle Chisel Flux Chipper