Needle Scaler Body Style - Air Tools Pistol Duty Cycle - Air Tools General Duty Stroke Length 2 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 2.8 CFM @ Full Load 11.0 Required Pressure 90 psi Min Hose Size 3/8 in Overall Length 14 7/8 in Housing Lock Fixed Collar Throttle Push Button For Use With Needles Includes Hex Wrench Needle Scaler