Cordless Impact Driver GDR 18V-200. The GDR 18V-200 Professional cordless impact driver offers an excellent power-to-size ratio and a 1/4-inch bit holder. With a head length of 126 mm, this cordless impact driver is suitable for working in tight spaces. The GDR 18V-200 is equipped with a brushless motor for a strong torque of 200 Nm and provides excellent battery life as well as a long tool lifespan. For better control over speed and torque, this cordless impact driver features a variable speed trigger. The GDR 18V-200 Professional is designed for tightening and loosening screws in metal sheets, metal, and wood. Additionally, this cordless impact driver is compatible with all Bosch Professional 18-volt batteries and chargers. The device also includes Electronic Cell Protection (ECP), an LED light, and a belt clip.