FireFold's Shielded Cat5E RJ45 Plugs are the highest caliber of quality industry wide. The plug is fully covered in metal case to protect the signal against electro-magnetic noises. Developed to work with either solid or stranded cables for ease of use. 50-microinch gold plating insures fast and reliable network connections. Designed for both voice and data connections. UL/CSA listed. This plug works with any standard RJ45 crimp tool.