; Vario-Tacho-Constamatic (VTC) solid shaft electronics for working at speeds appropriate for the material that remain constant under load; Hand wheel for pre-selection of speed; Switchable pulse operation for unscrewing stuck screws and drilling on smooth surfaces; Robust die-cast aluminum gear housing for optimal heat dissipation and long life; Rotating carbon brush bridge for maximum power even in left-handed rotation, e.g. for unscrewing stuck screws; Metabo Marathon engine with dust protection for long life; Metabo S-automatic safety clutch: Mechanical decoupling of the drive when the application tool is blocked for safe operation; RH/LH rotation; Spindle with hexagon socket for screwdriver bits for working without drill chuck; Overload protection: Protects the motor from overheating; Restart protection: Prevents unintentional start-up after power int