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 1/4inch: lever for reversing clockwise/anticlockwise direction, push-button release, fine-toothed, oval head, dual-material handle for ease in handling,for sockets .Socket 1/4", hex: metric, short, as per DIN 3124, ISO 2725 .Socket extension 1/4inch . Sliding T-bar with slider 1/4": as per DIN 3122, ISO 3315 .Bit adaptor 1/4inch: with in-hex and female square, for all bits and tools with 1/4inch external hex .Chrome-vanadium steel, matt satin chrome-plated .For hand-operated screw work .Plastic case in GEDORE red Design .Clamp-secured tools .Metal hinges/fastener