8767 B VDE HF TORX® Zyklop bit socket, insulated, with holding function, 3/8" drive8767 B VDE HF TORX Zyklop bit socket, insulated, with holding function, 3 8" drive Zyklop VDE sockets bit sockets offer increased safety thanks to a 2 component isolation. The yellow insulation core becomes visible in case of any damage to the outer red VDE insulation layer, to ensure safe working. A ball stop groove allows for a secure fit when used with the Zyklop VDE ratchet. Each socket is individually tested and fully rated to 1,000 volts in