The Ubiquiti Keystone blank insert is a key system accessory for anyone looking to increase the security and integrity of their desktop or network. It is specifically designed to block LAN ports, thus preventing unauthorized access through open RJ-45 connectors, thus ensuring network security. Made of flame-resistant ABS, this product not only promises durability, but also contributes to a safer network environment. Its simple installation process makes it an ideal solution for maintaining a secure and organized network infrastructure. Whether you manage a small home network or a large server room, the Ubiquiti port blocker is an essential tool for network security.