GXL18V-233B25 Bosch 18V 2-Tool Brushless Combo Kit w/ Hammer Drill Driver (GSB18V-490), Socket Ready Impact Driver (GDX18V-1800) w/ (2) 4.0 Ah CORE Compact Batteries 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.