Platinum tools rj-45, round cable, stranded wire - 100 pc.Jar traditional style modular plugs for use in terminating cables in both telephone and data applications.Manufactured to comply with fcc 68 guidelines and are ul listed.Multiple position & contact configuration styles available.Round & flat cable versions.2 prong stranded conductor contact.3 prong solid conductor contact.Gold plated contacts provide reliable performance and long life.