Review on Wall bracket Arm Media LCD-417, black by Wiktor Redziski ᠌

I chose the bracket based on the reviews and the size of the plates that are mounted on the wall. We have a gas-block wall, which is fragile., 50-inch TV. Husband fastened on 4 pcs. metal dowels 8x60 for aerated concrete + screws. Everything is holding up well, we turn the TV in different directions. But. With this bracket there is some distance from the wall, I don't like it. But perhaps with swivel arms this cannot be avoided. And the TV also turns down all the time, apparently because of its gravity. I would like it to be possible to stop it so that it is parallel to the wall.