The GXL18V-233B25 Bosch 18V 2-Tool Brushless Combo Kit with two CORE18V next-gen Li-ion 21700 cell technology features two tools designed to deliver professional cordless drilling and driving performance. The GXL18V-233B25 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. It includes a GDX18V-1800 Bosch Freak Bit -Socket Impact Driver that has a two-in-one chuck that offers a 1 -4 In. quick-change hex shank with power groove for bits and a 1 -2 In. square drive for sockets. GDX18V-1800 Bosch Freak Bit -Socket Impact Driver EC Brushless motor produces up to 1 800 In.-Lbs. of torque and up to 0-3 600 impacts per minute. The GSB18V-490 Bosch 1 -2 In. Hammer Drill -Driver is made to tackle demanding materials and applications (such as metal or masonry) anywhere on a worksite. GSB18V-490 Bosch 1 -2 In. Hammer Drill -Driver features 20+1 clutch settings for reduced overtightening. Its efficient EC Brushless motor delivers 490 In.-Lbs. of torque and a no-load bpm of 0-22 000. The GXL18V-233B25 Bosch 18V 2-Tool Brushless Combo Kit includes an 18V charger to get the user back to work fast and it has two belt clips that provide a convenient hold on tools.