Bahco S106 1/4" and 1/2" Square Drive Socket Set with Combination Spanner Set/L-Keys (106 Pieces) The Bahco S106 106pc 1/4in 1/2in Drive Socket Set is the perfect tool for DIY enthusiasts, plumbers, and mechanics. You can handle a wide range of tasks with the 106 included sockets. In addition to having a comfortable grip thanks to a U-shaped handle, the special Dynamic-Drive profile sockets also cause less damage and wear to fasteners. All components are constructed of durable aluminium steel so they will last longer, and the sockets are produced in accordance with ISO 1174 and DIN 3120 requirements. Both the ratchet and the combi wrench have thin, compact heads that let you operate in small locations and include quick release buttons for efficient operation. The case the parts come.