1. High quality network cable RJ45 connector and boots cover. 2. Allows the wires to pass through the connector so the twists in each pair can be pulled closer to the contacts than conventional plug.Network cable boots cap cover can protect your cable ends with these snag free boots for RJ-45. 3.Reduces the distance between the wire twists and contacts improves performance. 5. Great items to be used on the ends of network cables to plug into an ethernet port on a pc, router or othet network device to form a network connection.