1 1/2"DR. AIR IMPACT WRENCH PISTOL TYPE);TWIN HAMMER FREE SPEED:3,500RPM;AIR INLET: 1/2";WORKING TORQUE:3000 FT-LB (4068n-M);MAX.TORQUE:3200FT-LB (4340n-M);ANVIL:2";AIR CONS.: 55.5SCFM;BOLT CAP.:M45 LENGTH:460MM;WEIGHT:17.35KGS