Variospeed (V) electronics for variable speed change, thumb-wheel for pre-selection of speed, aluminum die cast gearbox housing for optimum heat dissipation and long life, optimal cooling by axial/radial fan, two-speed gear unit, powerful impact mechanism, robust Metabo Marathon motor for extra long service life, Metabo S-automatic torque limiting clutch: to limit sudden reverse torque which can occur if the bit jams or catches in the material.
