The Bosch Freak is half wrench, half driver, all impact. The GDX18V-1600 18V 1/4" and 1/2" two-in-one impact driver delivers results, with the two-in-one bit and socket drive that offers a 1/4" quick-change hex. shank holder with power groove for bits, and a 1/2" square drive for sockets. This innovative tool provides versatility while eliminating the use of socket adapters on a cordless drill. The impact wrench and driver's efficient, powerful cordless motor produces 0-2800 RPM and up to 1600 in/lbs of torque, while the Bosch hammer-and-anvil system provide maximum impact energy and up to 3600 IPM. The variable-speed trigger provides accurate driving speed. The driver has an LED light system to illuminate the work area. In addition, it comes with a belt clip, allowing the tool to hang conveniently off your work belt or other objects while on the job. Electronic cell and motor protection protects the tool and the battery from overheating and overload. The set comes with a 18 V 2.0 Ah SlimPack battery and a charger. Backed by a 1-year limited warranty.