The wera 8767 c torx hf zyklop sockets have a unique design with a holding function on the torx fasteners assembly or disassembly becomes easy where fasteners are recessed or in awkward spaces or where overhead work is necessary weras 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 power tools the torx