Cordless drill driver GSR 12V-15. The cordless drill driver GSR 12V-15 Professional offers a good balance between power and size in the 12-volt class from Bosch. Its hard torque of 30 Nm and 0-1,300 rpm provide the best ratio between size and power. Its compact design allows for optimal handling and is ideal for working overhead and in tight places. Overload. 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 tool is compatible with all Bosch Professional 12-volt batteries and chargers (Professional 12V System). The GSR 12V-15 Professional also has 2 gears. Autolock. Charge level indicator. Electronic Motor Protection and Lithium-Ion technology. 2 x GBA 12V 2.0Ah rechargeable battery (1 600 Z00 02X); GAL 12V-20 Professional charger; 25-piece bit set; Bosch Professional 12V tool bag (1 600 A00 3BG)