This 20V MAX brushless 2-tool kit includes one 1/2 in. hammer drill driver, 1/4 in. impact driver, charger, contractor bag, and (2) POWERSTACK 1.7 Ah batteries. The DCD798 hammer drill/driver comes in at only 6.93 in (tool head length only). The DCF840 impact driver features a high-performance brushless motor that delivers 1,700 in-lbs of max torque. This cordless kit includes our most powerful, most compact, and lightest weight 20V MAX battery, with 50% more power, 25% more compact, and 15% less weight than the DCB203. The DEWALT POWERSTACK compact battery works with all DEWALT 20V MAX power tools and chargers.