- Vario-Tacho-Constamatic (VTC)-Full Wave Electronics for work with materials requiring customised speeds, which remain constant under load- Thumbwheel for Speed Preselection- 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- Forward and reverse rotation- Spindle with hexagonal recess for screwdriver bits for working without chuck- Restart protection: prevents unintentional start-up after power supply interruption- Cable-protecting ball joint for optimal freedom of motion when working