For me, 20 millimeters is what you need. The TV is literally stuck to the wall. Angled power cord connector, angled antenna connector, angled RJ45 connector. Without them, it will not be possible to glue the TV to the wall. Good quality painted steel. Supports any TV up to VESA 200x200. And if you use an adapter, then any TV. The indicated load is 40 kg. - not a whim.
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