Our all new Audio mains Lead for CD players, Amps, preamps, DACS, Receivers. Made of silver plated copper, 13A Silver plated Plug, IEC Gold plated plug, Silver on copper stranded wire (4mm) PTFE sleeve copper tape around each Sleeve. steel mesh screen around each core. Plaited cables to improve RFI protection, Nylon braided sheath. These are our top of the range mains cables with extra protection built in to improve the sound even further.