This is a special order set of RCA audio cables. This is a set of 2 foot cables. They use shielded 3 wires twisted cable. This is 1985 vintage cable. The inside three wires in this cable and the braided shield are silver plated copper. The insulation on the cable is Kapton. The RCA connectors are gold plated with a metal shell. The RCA connectors are made by Neutrik Rean. The cable in the picture is the cable used in making these cables.