Dewalt 20V MAX ATOMIC Lithium-Ion Compact 1/2-inch Hammer Drill and Impact Driver Combo Kit (2-Tool)This ATOMIC Compact Series 2 tool kit includes one 1 2 in. hammer drill driver, 1 4 in. impact driver, charger, contractor bag, and two 20V MAX* compact 2 Ah batteries. The DCD799 Hammer drill driver is our shortest hammer drill at 6. 49 in (tool head length only). The DCF809 impact driver features a high performance brushless motor that delivers 1,700 in lbs of max torque. Includes (1) DCD799 ATOMIC 20V MAX* Brushless 1 2 in. Hammer Drill Driver (1)