Air tools, impact wrench, 1/2 in drive with built-in regulator allows four torque settings 230, 215, 194 and 150 ft lb of torque. Push-pull reversing lever for easy operation. 7 in (177.8 mm) overall length 5 lb (2.27 kg) net weight. Works best with 3/8 in (9.52 mm) inside diameter hose.