These drawers are on tracks that basically float in the air, and plug into metal brace things at the back of the cabinet. This one keeps fallout out of its brace because the parts are so old and bent. But there is nothing back there to hammer a normal track into. The back is super-thin wood, and then there is like a half inch of empty space between it and the wall. So I can’t drill into it to attach anything (which is why the drawers were designed this way).

The other drawers work great. But they haven’t been used as much over the years.

Does anyone know what these parts are called? So I can search online to find replacements? I’ve been to every big box and small neighborhood hardware store, and nobody knows how to get replacement parts.