The GSR 18V-21 Professional cordless drill driver is Bosch's reliable entry-level tool in the 18-volt class. Its hard torque of 55 Nm delivers the necessary power for standard drilling and screwdriving applications. This reliable and durable drill driver offers professional quality for daily use, thanks to its all-metal gearbox and Electronic Cell Protection. Additionally, the professional design with a keyless 13-mm chuck ensures high-quality work. This power tool is designed for drilling in wood with a maximum diameter of 35 mm, in steel up to 13 mm, and for screw diameters up to 10 mm. It is compatible with all Bosch Professional 18-volt batteries and chargers. The GSR 18V-21 Professional also features 2 speed settings, auto-lock, LED light, a lithium-ion battery, and forward/reverse operation.