“Its rubbish. No assembly instructions ( order is important. Fit the camera to its mount first. If you fit the base and canera holder before attaching the camera it is very difficult to fit the lower mounting screws for the camera. I gave up trying.
If you try to dismantle the base and camera holder, like I did, the lugs on the base break off.
When the camera holder is fitted to the base is wobbles like a piece of jelly.”
“These are required for Pi5 as the camera module is supplied with the old type suitable for Pi4 and older. Work as required and available in differing lengths”