This DeWalt 20V MAX Cordless Brushless XR 2-Tool Combo Kit with ToughSystem (5.0AH) (DCKTS299P2) includes one 1/2 in. hammerdrill/driver, 1/4 in. impact driver, two 20V MAX 5.0Ah batteries, charger, and hard case. The DCD996 hammerdrill comes equipped with a heavy-duty ratcheting nitro-carburized metal chuck with carbide inserts for superiror bit gripping strength and a high efficiency brushless motor that delivers up to 75% more run time over brushed. The DCD996 features a 3-modfe LED providing light in dark or confined spaces and is 20X brighter than the previous model. The DCF887 impact driver has a powerful brushless motor delivering up to 1825 in-lbs. of max torque, and is equipped with 3 LEDs for increased visibility.