Metabo SB18LTX BL 18V 1/2-Inch Brushless Hammer Drill Kit Powerful Brushless motor with 796 in./lbs of torque Impulse function that simplifies the unscrewing of damaged screw heads and drilling on smooth surfaces. Electronic clutch with 11 different settings that provides a wide range of applications and doesn't develop any noise like other clutch systems Electronic multifunction protection system protects the tool against overheating and overloading while protecting the user with kickback protection Aluminum die-cast gear housing