In his example, fit: 1x HDMI, 1x antenna coax and 2x USB.
Fixed to the wall, I have him. With small nails in Wi-distance
Through the thick HDMI cable construction is also stiff enough.
A small drawback is the somewhat tedious By pulling the cable through the
Hose. Here you have to try a little bit, until you get the knack out. But is not a problem, just takes a little bit.