18V Two-In-One Impact Driver Versatile two-in-one impact driver and impact wrench design – features a versatile hex shank with power groove and a socket drive, an EC Brushless motor delivering up to 1,800 In.-Lbs. of torque, increased control for less fastener damage and Bluetooth® connectivity Two-in-One Bit/Socket – BOSCH GDX18V 1800CB25 - 18V EC Brushless Connected-Ready Freak 1/4 In. and 1/2 In. Two-In-One Bit/Socket Impact Driver Kit