HIGH COMPATIBILITY: This RJ45 inline coupler is compatible with all standard keystone jack patch panels, surface mount boxes, and wall plates (faceplates) DURABLE CONSTRUCTION: Phosphor Bronze Zinc & Gold Plating to ensure a secure and corrosion-free connection MULTIPACK: Available in Package Quantity of 25 HIGH PERFORMANCE: Features UTP that supports 8-position 8-conductor (8P8C) terminated cables QUICK CONNECTION: Speedy installation with a simple snap in retaining clip connection