With 50% higher torque than a leading competitor**, the 20V MAX* XR Brushless 1/2 in. Hammer Drill is the industry's highest rated max torque cordless 1/2 in. Hammer drill** with 2,100 in-lbs. Of max torqueᵒ. Make large diameter holes in wood, metal, and concrete with this tool that delivers up to 275 holes per charge‡. The PERFORM & PROTECT ANTI-ROTATION system senses rotational motion of the tool from bind ups and shuts it down. Featuring an all-metal transmission construction to help withstand tough applications, this hammer drill is equipped with a pivoting 3-position, push-button LED to help illuminate dim work areas. This kit includes a 20V MAX* XR battery. DEWALT PERFORM & PROTECT line of tools is designed to provide a high level of one or more of the following: dust containment, control, or low vibration, without sacrificing performance. *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18. **Rated max brake torque vs. Leading 18V/20V MAX* 1/2" hammer drills. Test performed under controlled laboratory conditions. User experience may differ. ᵒRated max brake torque. Test performed under controlled laboratory conditions. User experience may differ. ‡Using DCB2108 battery and 7/8" diameter auger (sold separately) in 1‐1/2" thick fir. ††Based on rated maximum watts out for DEWALT 20V MAX* hammer drills currently on the market. ‡‡using DCB2108 battery and 2-9/16" diameter self-feed (sold separately) in 1‐1/2" thick fir. ***Tool head only vs. DCD999, DCD998, DCD997, DCD991 and DCD996 hammer drills.