What are these?

[Mimifrom1797]

Hi , anyone knows what could these be? I suspect it can be left from tv on the wall ? But I want to be sure

 

[Ihavenojob]

Gloryholes?

 

[securespark]

For mice?

 

[mattylad]

Yes they are wall fixings for a TV wall bracket.
If your not going to re use them then they might just push into the wall allowing you to fill the holes and repaint.