The bosch gsr is extremely compact with a 179 mm head and an extremely lightweight design only 950 g 2 speed gearbox with optimised torque soft 13 nm hard 30 nm for high torque requirements use the 1st gear for drilling use the 2nd gear with high speeds up to 1 300 min 1 20 torque stages plus drilling stage for optimum torque adjustment depending on the screw connections the drill uses a sophisticated motor brake for precise handling with series fittings innovative lithium ion techn