Cordless Drill Driver GSR 12V-15. The GSR 12V-15 Professional cordless drill driver offers a balanced ratio of power and size in Bosch's 12-volt class. Its hard torque of 30 Nm and 0-1,300 rpm provide the best balance between size and performance. Its compact design allows for optimal handling, making it ideal for overhead work and tight spaces. Overloading, overheating, and deep discharge are prevented by the drill driver's Electronic Cell Protection. This power tool is designed for drilling in wood with a maximum diameter of 19 mm, in steel up to 10 mm, and for screw diameters up to 7 mm. The device is compatible with all Bosch Professional 12-volt batteries and chargers (Professional 12V System). The GSR 12V-15 Professional also features 2 gears, an auto-lock function, a battery status indicator, Electronic Motor Protection, and lithium-ion technology. L-BOXX 102; 1/2 L-BOXX insert for the tool and charger; 1/2 L-BOXX insert for accessories.