1" AIR IMPACT WRENCH(PISTOL TYPE);TWIN HAMMER;SIDE EXHAUST FREE SPEED:4,000RPM;AIR INLET: 3/8"or 1/2";WORKING TORQUE: 1600ft-lb(2168n-M);MAX.TORQUE: 1800ft-lb(2440n-M);ANVIL:2" AIR CONS.: 45 SCFM LENGTH:300MM;WEIGHT:10.06KGS