DEWALT DCD996B 20V MAX* XR Lithium Ion Brushless 3-Speed Hammer drill -Bare tool features a DEWALT-built high power, high efficiency brushlessmotor that delivers up to 57% more run time over brushed. This hammerdrill has a heavy-duty 1/2" ratcheting nitro-carburized metal chuck withcarbide inserts for superior bit gripping strength. The 3-Mode LEDlight provides illumination in dark or confined spaces up to 20Xbrighter than previous model, with an LED Spotlight mode with a 20minute shutoff function allowing for extended work time in dark orconfined spaces. A 3-speed, all-metal high performance transmissionoptimizes tool-to-task for fast application speeds and improvedrun-time, with 0-38,250 BPM for fast drilling in masonry materials.