STEELMAN 102-4 1/2-Inch Heavy-Duty Impact Wrench with 2-Inch Anvil Twin Hammer

Twin hammer design - twin hammer mechanism delivers smooth and balanced yet hard-hitting blows Variable speed trigger - variable speed tease trigger gives optimum control of speed Extended anvil - 2-inch extended anvil allows use of flip sockets and easier access to deep tire wells Efficient motor - premium efficiency air motor uses only 4 CFM of compressed air so you can work longer Peak torque - 400 ft-lb of available maximum torque