Chicago Pneumatic CP5000 - 1 Inch Air Impact Wrench with 7 Inch Extended Anvil, D-Handle with Side Handle, Max Torque Reverse Output 2500 ft. lbf / 3390 Nm, 3700 RPM, Pinless Rocking Dog T024585Most powerful For operators working on heavy vehicles tire shops such as trucks and buses and looking for durability and high torque, CP5000 is the top impact wrench to increase your productivity. The CP5000 Series 1" impact wrench with extended anvil is designed with a rocking dog mechanism and a metal motor housing for high durability in bolting & unbolting applications. High productivity is ensured with a maximum reverse torque up to 2,500 ft. lbs