Premium Wera Micro insert wrench for precision mechanical couplings. By supporting the hand on the rotating cap, and due to the fast rotating zone below the rotating cap, lightning fast turning is possible. Time-consuming hand switching is eliminated. The power zone with integrated soft zones ensures the transmission of high tightening and loosening moments. Precision zone for correct rotation angles whilst adjusting. Take it easy tool finder with size stamping and colour coding by profile for quick and easy identification of the required tool.