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

Little handle lets you easy to put on and .Anti-dust plugs made of ABS, soft and flexible material, easy to put on and .Environmental protection and no peculiar smell. Insulated and protected computer interface, to new for a long time. interface absorb moisture to prevent oxidation, leading to a short circuit. effectively reduce the static electronic products, to avoid a breakdown event. When not in use, please protect the RJ45 female jack from dust and oxygen. Completely block any gaps and prevent dust more effectively. Plug it,Protect open ports or Identify dead ports;Prevent use;Show users where to connect. Designed to fit into all Ethernet Port RJ45.