The RJ45 plug lock-in device, comes with 10 black devices and 1 black installation/removal tool. It is made of polycarbonate.The Panduit RJ45 plug lock-in device secures connections to reduce network downtime, data security breaches, and hardware replacement due to theft. The versatile design works with most patch cords, faceplates, patch panels, IP cameras and other IP devices. It is also compatible with VoIP phones to help prevent unauthorized removal and ensure E911 continuity. Ideal for installations where jack mounts flush with the surface, except for sloped faceplates.