100% copper foil. Shielded twisted-pair wiring. Snagless connectors moulded boots protect RJ45 clips. Built with 24 AWG Copper Wire. The 50-micron gold connectors deliver optimum conductivity and eliminate signal loss due to oxidation or corrosion. Supports up to 4K or 1080p high definition. Tested to comply with ANSI/TIA 568 C.2 Category 6 requirements. Lifetime warranty. Package of 10.