Coupler based on DIN 3120 - A 6.3, ISO 1174, with ball lock, Square drive as per DIN 3120 - C 6.3, ISO 1174, with ball retention groove, 2C reversible ratchet 1/4", lever for reversing clockwise/anticlockwise direction, push-button release, fine-toothed, oval head, 2-component-handle for ease in handling, for sockets, Square plug-in handle 1/4", 1-component handle with female square, Socket 1/4", hex, metric, short, as per DIN 3124, ISO 2725, Screwdriver bit socket 1/4", for hex screws, with pressed-in, phosphated pin, Screwdriver bit socket 1/4", TX, with pressed-in, phosphated pin, Socket extension 1/4", Sliding T-bar with slider 1/4", as per DIN 3122, ISO 3315, Universal joint 1/4": Joint bolted on, design to DIN 3123 - C 6.3, Adaptor 1/4" for driving sockets and screwdriver bit sockets, Chrome-vanadium steel, matt satin chrome-plated, For hand-operated screw work, Red sheet-steel case with foam insert