The DEWALT DCK299P2 20 V MAX XR lithium ion brushless premium hammer drill and impact driver combo kit (5.0AH) is a combination of the DCD996 20 V MAX 1/2"hammer drill, with the DCF887 20 V MAX 1/4"impact driver. The DCD996 hammer drill features includes 3-speed levels, high performance (0-2, 000 rpm), an all-metal transmission that optimizes tool-to-task for fast application speeds and improved run-time. This hammer drill offers 0-38,250 bpm for fast drilling in masonry materials. It also has a compact size (8.4"front-to-back back length) and lightweight (4.7 lbs.) design to fit tight areas, and includes 3-mode LED providing lighting in dark or confined spaces up to 20X brighter than previous model. The DCF887 20 V MAX 1/4"impact driver provides 1,825 in-lbs. of max torque at fast 0-3, 250 RPM speed and 0-3,600 impacts per minute. This impact driver also has a compact size (5.3"front-to-back length) and lightweight (3.4 lbs.) design. Kit includes: DCD996 20 V MAX XR 3-speed 1/2"hammer drill, DCF887 20 V MAX XR 1/4"impact driver, (2) DCB205 20 V MAX XR high capacity Li-ion batteries (5.0 Ah), charger, (2) belt hooks, 360 degrees side handle, kit box.