SBSF series sockets 3/8in Drive, hexagon in metric and imperial sizes.DIN 3124 / ISO 2725. 1/2in 10 DIN 3120 / ISO 1174.Finish: nickel and matt chrome-plated.Material: Vanadium-Extra.With dynamic-drive profile.Select Option 10mm12mm14mm16mm18mm19mm Add to Basket Quantity