SAHROO 100Pcs Red RJ45 Port Ethernet LAN Hub Anti Dust Cover Plug Cap Blockout Protector with Proprietary Lock and Key

Connect it, protect open ports or identify dead ports. Prevent use. the users where to connect. When not in use, protect the RJ45 socket from and oxygen. Completely block all gaps and prevent more effectively. The small one is easy to put on and take off. ABS dust plug, soft and flexible material, easy to put on and take off. Environmental protection and no special smell. Insulated and protected computer interface, keep it looking new for a long time. Boundary area absorbs moisture to prevent corrosion oxidation leads to a short circuit. Reduce static electronic products to avoid failure event. Designed to fit all RJ45 Ethernet ports.