Witte screwdrivers are manufactured in germany to the highest quality standards the protop ii is designed with impact cab for use under extreme conditions the protop ii impact is characterized by a solid impact cab at the end of the handle as part for the drive through hexagon bolster blade extremely tight screws can be loosened with a hammer blow on the impact cap the impact energy is transmitted through the cap and blade directly to the screw head neither handle nor the blade will be dam