The DEWALT 20V MAX Lithium-Ion 1/2-Inch High-Torque Impact Wrench (Bare Tool) delivers a maximum of 400 foot-pounds of torque to loosen tightly stuck nuts. This DEWALT cordless impact wrench runs on the same 20V MAX batteries you already use in your other DEWALT tools. The variable-speed trigger lets you work at the pace which gives you the combination of speed and control you need for each task. An LED worklight illuminates dark spaces so you can use this 1/2-inch impact wrench on jobsites without electrical power or in the depths of cars and other machines. This wrench's ergonomic handle makes work comfortable and reduces strain from long projects. A magnesium gear case and metal transmission greatly extend its operating life. DEWALT 1/2-inch lithium-ion impact wrench generates up to 400 foot-pounds of torque. Compatible with the same 20V batteries you use for your other DEWALT tools. DEWALT 20V MAX impact wrench's variable-speed trigger gives you speed and control. LED worklight illuminates your space for easy work in dark areas. DEWALT cordless impact wrench is ergonomic for comfortable work. All-metal transmission and magnesium gear case protect the inner workings. 3-year limited warranty with 1-year free service contract; 90-day money-back guarantee.