CARDBOARD BOX; GEARED CHUCK.USER BENEFITS:Robust die cast aluminium gear housing for optimum heat dissipation and long service life.Rotating carbon brush bridge for maximum performance even in anti-clockwise operation, e.g. for the removal of stubborn screws.Metabo Marathon-motor with dust protection for long service life.Metabo S-automatic safety clutch: mechanical decoupling of the drive for safe working should the tool stop unexpectedly.Spindle with hexagonal recess for screwdriver bits for working without chuck.Cable-protecting ball joint for optimal freedom of motion when working.