One screw was missing, so I just tossed it.

So where I was supposed to have four in total I can only use three because of the missing screws

Product was missing the screws necessary to assemble the unit.

Seemingly frail, the screws on one side slipped out, but at least all I have to do is reassemble the side.

Was missing a screw.

I was aware this was a used item with "cosmetic imperfections" but aware it was going to show up missing screws.