This port blocker set by Delock is an accessory for 20923. In total, 10 HDMI ports can be blocked with the set. Access to the socket via cable is then no longer possible. Note To release the lock, the tool from set 20923, 20924, 20925, 20926 or 20927 is required. Specifications Suitable for all standard HDMI sockets Color of the HDMI port blocker: blue Package content 10 x HDMI port blocker