Ferrex 20V Li-Ion Akku Kompakt Schlagschrauber + 40V 5Ah Akku Activenergy

With the Ferrex 20V Impact Driver, you screw and unscrew without using any strength. The Impact driver will do all the work for you. This impact Driver will also not spin in a certain direction. The Ferrex Impact Driver is especially designed for screwing large / long screws.

eBay