Avdel® Hydro-Pneumatic Power Tool, 0.73 Inch (18.54mm) Stroke, Air Pressure 70 - 100 psi (4.82 - 6.89 bar), 0.32 Cu-ft at 80 psi Free Air Volume Required, 2250lb. at 80 psi (10.00kN at 5.52 bar) Pull Force, Approximately 1.0 sec Cycle Time, 70.3dB(A) Noise Level, <8 ft/s2 Vibration, Weight 1.7lb. (0.77kg) Without Nose Equipment