The Bosch GDR 18V-200 Professional Impact Driver offers an excellent power-to-size ratio. Its small head length of only 126mm makes it perfect for use in tight spaces. Equipped with a brushless motor, it provides excellent battery runtime and a long tool lifetime. A variable speed trigger allows better control over speed and torque. Electronic Motor Protection (EMP) protects the motor against overload and ensures a long life. It also features a handy LED work light, ideal when working in confided spaces and a belt clip. Intended for tightening and removing screws when working in metal sheet, metal and wood. Specification Tool Holder 1/4in Hex Uni No Load Speed 0-3,400/min. Impact Rate 0-4,000/bpm Max. Torque 200Nm Max. Screw Diameter M6 - M16 Weight 1.1kg (without battery)