The Bosch freak is half driver, half wrench, all impact. The GDX18V-1800C two-in-one 1/4 in and 1/2 in bit or socket impact driver delivers results, with the two-in-one bit or socket drive that offers a 1/4 in quick-change hex shank holder with power groove for bits and a 1/2 in. square drive for sockets. The impact driver's efficient, powerful EC brushless cordless motor produces up to 1800 in-lb of torque, while the Bosch hammer-and-anvil system provide maximum impact energy and up to 0 to 4200 impacts per minute. The variable-speed trigger provides accurate driving speed. The driver has Bluetooth® connectivity, which connects to optional connectivity tool module to customize tool settings on a connected device, as well as an LED light system to illuminate the work area. This is a bare-tool kit; the battery and charger are sold separately.