General description Hammer Drill BOSCH GSB 18V-21 is designed for professional performance, offering sufficient power and runtime for various applications. With a hard torque of 55 Nm, this drill driver is reliable and durable, making it suitable for daily use. Its professional design features a 13 mm keyless chuck for easy bit changes. Technical specifications Hard torque: 55 Nm Chuck size: 13 mm keyless chuck Battery: 2 x 5.0 Ah Included charger: GAL18V-40 Storage: L-Boxx 136