The CP7740 1/2" impact wrench from Chicago Pneumatic is built for tight spaces, with a weight of 1.25kg, a length of 160mm and 500ft-lbs. of torque. It features a high performance dual chamber motor, liner, rotor and end plates all made of heavy duty magnesium components. The CP7740 1/2" impact wrench is available in 2" extended anvil.