Wera 8740 c hf zyklop in hex sockets with holding function via a unique design hold on the socket head fasteners assembly or disassembly becomes easy where fasteners are recessed or in awkward spaces or where overhead work is necessary werarsquos hex plus drive design allows up to 20 more torque to be transferred and prevents rounding out and fastener head damage made from chrome molybdenum these are designed for intensive use and are also guaranteed for production use with non impact po