Square drive as per DIN 3120 - C 12,5, ISO 1174, with ball retention groove, Screwdriver bit socket 1/2", TX, with pressed-in, phosphated pin, non-slip knurled head, brightly polished on the drive side, Chrome-vanadium steel, matt satin chrome-plated, For hand-operated applications, Plastic case in GEDORE red Design, Clamp-secured tools, Metal hinges/fastener