The BOSCH GSB18V-490B12 Kit features a 1/2 In. Hammer Drill/Driver that is made to tackle demanding materials and applications (such as metal or masonry) anywhere on a worksite. The BOSCH GSB18V-490 is a powerful 18V hammer drill that features 20+1 clutch settings, for reduced overtightening, fewer damaged screw heads and a longer tool life. Its efficient EC Brushless motor delivers outstanding runtime and longer motor life. It generates 490 In. -Lbs. of torque and a no-load bpm of 0-22, 000. This drill is variable-speed and has a two-speed selector, designed for high-torque driving (0-600 rpm) or high-speed drilling (0-1, 900 rpm). With an upgraded, all-metal chuck, the drill has great bit hold and torque transfer. The GSB18V-490 features BOSCH's Electronic Motor and Cell Protection, an LED for illumination and a long belt clip. It is an easy tool to handle, with an ergonomic grip zone. The kit comes with one 18V 2. 0 Ah SlimPack battery and an 18V charger.