Milwaukee Tool offers its M18 FUEL line of cordless High Torque Impact Wrenches, which can deliver up to 750 ft.-lbs. of max fastening torque, according to the company.
3/8-inch Impact Wrench
Craftsman introduces its 3/8-inch impact wrench, which is designed to allow the user to access tight spaces, for example under the hood of a car. The wrench provides 0-2,500 RPM (Rotations Per Minute), and produces 130 ft. lbs. of torque. It also features an LED light to illuminate work areas.