Whether you"re setting bolts at the end of a big deck building project or working with plumbing fixtures, the heavy-duty DeWalt DC821KA 1/2-Inch Impact Wrench makes your job easier. Powerful and easy to handle, this impact wrench is capable of delivering 0 to 2,100 RPM and maximum torque of 1,920-in./lbs for fast, reliable performance. Also offering a convenient, variable-speed reversing switch and an electric brake, this wrench allows you to maintain control in a wide variety of situations for better end products. An all-metal transmission, a DeWalt-built motor, and replaceable brushes that make maintenance easy all help ensure a long tool life, while XRP extended-run battery technology helps ensure that a dead battery never brings your work to a standstill. Included in this kit are two XRP 18-volt batteries, a one-hour charger, and a heavy-duty kit box for easy transport and storage.