The Bosch GSB 18V-28 Dynamic Combi Drill has a durable design that is ideal for everyday use. Electronic Motor Protection (EMP) protects against overload and ensures a long lifetime. The compact design provides comfortable handling. It is fitted with a durable 13mm, autolock full metal chuck. Bosch Electronic Cell Protection (ECP) protects the battery against overload, overheating and deep discharge. Specification Chuck 13mm No Load Speed 0-500/0-1,900/min. Impact Rate 0-28,500/bpm Max. Torque 63Nm Torque Settings 20 + Drill Capacity Masonry 13mm, Steel 13mm, Wood 38mm Screw Capacity Machine Screw 8mm