Lindam pressure fit stairgate (Kenilworth CV8)

We got this off Freegle when our grandkids were younger but they can now open it themselves so time to pass it on.
Fits gaps between 76cm and 82cm (no extensions). It was missing an M10 nut when we got it so I used a t-nut instead because that's what I had (see photo). Also missing the cups which can be screwed into the frame to make it more secure. Similar to the munchkin available from Argos where the instructions can be found for fitting