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.