Stahlwille – Bi-Hexagon Socket Set of 10 with Clip Strip AF 1/4in Drive. Stahlwille 10 piece Bi-Hexagon socket set. The sockets are made from HPQ® high performance quality steel and chrome plated. HPQ® sockets are free of cadmium and are therefore suitable for use on titanium alloy parts and titanium fasteners as used for example […]