Key for Universal RJ45 Plug Lock and Locking Insert Allows for Easy and Quick Use The N2LOCK-KEY-RD provides an easy way to unlock a connection between Tripp Lite’s N2LOCK-010-YW RJ45 plug lock or N2LPLUG-010-YW RJ45 locking insert and an RJ45 port. Just insert the key into either the plug lock or locking insert for instant disconnection in seconds with no damage to the port’s patch panel, wall plate or network switch. This package includes two keys.