DeWalt 20V MAX Lithium Ion 1/2" Hammer Drill DCD996 & One 4.0Ah Battery DCB204 Description: DeWalt DCD996B 20V MAX XR Lithium Ion Brushless 3-Speed Hammer drill features a DeWalt-built high power, high efficiency brushless motor that delivers up to 57% more run time over brushed motors. This hammer drill has a heavy-duty 1/2" ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength. The 3-Mode LED light provides illumination in dark or confined spaces up to 20X brighter than previous model, with an LED spotlight mode with a 20 minute shutoff function allowing for extended work time in dark or confined spaces. A 3-speed, all-metal, high performance transmission optimizes tool-to-task for fast application speeds and improved run-time, with 0-38, 250 BPM for fast drilling in masonry materials.