The Bosch GSB18V-490 18V EC Brushless 1/2 In. Hammer Drill/Driver is made to tackle demanding materials and applications (such as metal or masonry) anywhere on a worksite. This powerful hammer drill 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 Protection, an LED for illumination and a long belt clip. It is an easy tool to handle, with an ergonomic grip zone.