Robust die cast aluminum gear housing for optimum heat dissipation and durability. Rotating carbon brush bridge for maximum performance even in anti-clockwise operation, e.g. for the removal of stubborn screws. Vario (V)-Electronics for working at customised speeds to suit various application materials. Thumbwheel for speed preselection. Two-speed gearbox. Metabo Marathon motor with patented dust protection for long service life. Metabo S-automatic safety clutch: mechanical decoupling of the drive for safe working should the drill stop unexpectedly. Forward and reverse rotation. Spindle with hexagonal recess for screwdriver bits for working without chuck. Handle with non-slip soft-grip surface. Cable-protecting ball joint for optimal freedom of motion when working.