Our 20V MAX* 1/2 in. Cordless Impact Wrench is lightweight and balanced, and it delivers 330 ft/lbs. of torque for heavy-duty jobs. It offers a maximum of 1,650 RPM for driving large fasteners quickly. A variable speed trigger gives you precise control. The 1/2 in. hog ring allows for quick and easy socket changes. The 20V MAX* battery provides long life and maximum performance, and an LED provides improved visibility in dark areas. This impact driver is designed with a chemical resistant housing for automotive settings.