Heavy duty Cat6 RJ45 couplers for patch panels or wall plates (face plates) with standard keystone ports | Future-proof your network for 10-Gigabit Ethernet at a Cat5e price with this convenient and cost effective 5-pack keystone couplers for Ethernet | Gold plated contacts and easy snap-in retaining clip ensure a secure and corrosion free connection | This 8P8C female to female Ethernet coupler keystone jack is backwards compatible with Cat5e network | RJ45 inline keystone jack coupler meets Category 6 performance in compliance with the TIA/EIA 568-C.2 standard