GXL18V-224B25 Bosch 18V 2-Tool Brushless Combo Kit w/ Brute Tough™ Hammer Drill Driver (GSB18V-755C), Socket Ready Impact Driver (GDX18V-1800C) w/ (2) 4.0 Ah CORE Compact Batteries The GXL18V-224B25 Bosch 18V 2-Tool Brushless Combo Kit combines drilling and driving versatility with next-gen Li-ion 21700 cell technology. The GXL18V-224B25 Bosch 18V 2-Tool Brushless Combo Kit features two CORE18V batteries that provide next-gen Li-ion 21700 cell technology in lightweight, high-power batteries with all-day performance. The GDX18V-1800C Bosch Freak 1/4 In. and 1/2 In. Impact Driver delivers results, with the two-in-one bit/socket drive that offers a 1/4 In. quick-change hex shank holder for bits, and a 1/2 In. square drive for sockets. Producing up to 1,800 In.-Lbs. of torque, the Freak features a head length of 5.8 In., to accomplish any drilling or driving application. The GSB18V-755C Bosch Brute Tough 1/2 In. Hammer Drill/Driver has KickBack Control technology, up to 755 In.-Lbs. of torque and 0-31,500 beats per minute (bpm), at only 3.5 Lbs. (tool only, not including battery). Both tools feature Bluetooth® connectivity to an optional Connected Tool Module and EC Brushless motors.