Interworld Electronics has a range of port blockers suitable for RJ45 ports, USB Type A ports and USB Type C ports. The range of port blockers from Interworld Electronics are ideal for use as connector covers that can block access to the port and prevent unauthorised use. They are an ideal solution for providing security to ports on essential equipment and also act as a dust cap to protect ports from dust, dirt and grime. They are also quick and easy to install, and can easily be unlocked using the removal key.