This port blocker set by Delock is an accessory for item 20648. In total, 10 USB Type-A ports can be blocked with the set. Access to the socket via cable or USB sticks is then no longer possible. Note The tool from set 20648 is required to release the lock. Specifications Suitable for all standard USB Type-A sockets Color of the USB port blocker: white Package content 10 x USB port blocker