Needle Scaler Kit Body Style - Air Tools Pistol Duty Cycle - Air Tools Industrial Duty Stroke Length 1 1/2 in Blows per Minute - Air Tools 2 200 Air Inlet Size - Air Tools 1/4 in NPT Average CFM @ 15 Second Run Time 4.0 CFM @ Full Load 8.0 Required Pressure 90 psi Min Hose Size 5/16 in Overall Length 13 1/2 in Housing Lock Bayonet Needle Throttle Lever For Use With Mfr No 1376 Mfr No 1377 Includes (28) Needles