what or which

Hi folks First time poster and long time lurker here. I was recently fitting a dash cam to my mk3 Leon and had a panel underneath the glovebox unscrewed. A little metal fitting fell out. I couldn't see where it would go back in. I've attached some pictures of it to see if anyone has any idea...

Afternoon all. My back box has recently been diagnosed as buggered, as the insides have dropped and the baffles have gone :banned: As a result, it rattles and sounds like it's blowing :whistle: I'm therefore weighing up if I should just pay £103 for a standard replacement SEAT back box...