RJ45 Shielded Cat5 Cat5e Crimp Plug Connector Jack - 100 per bag RJ45 sockets aluminium metal shield STP - Shielded Twisted Pair - shielding your network prevents signal loss and electromagnetic EMI/RFI interference and maintains a proper ground connection 8P8C have 8 pins and 8 conductors Superior two-prong contact design for a solid round or stranded wire cables. Compatible with any standard RJ45 sockets - Pins Purity of copper wire higher than 99.99% Lan Ethernet Network Patch Plug Cat 5 Cat 5E