And I don’t fancy my chances being able to find stuff to match. It’s about 10 inches tall!
Looks to be torus which is pretty readily available not seen X10 (ten inches tall) torus but x12 isn't too hard to find from a decent lumber yard (i.e. not Wickes or B&Q) so at a push you could buy x12 and rip 2" off it.
The stuff in the picture is newer stuff. The original is down the hallway, right at the end of the job - so I’ll see how enthusiastic I am about doing it properly at that point.
Looks to be torus which is pretty readily available not seen X10 (ten inches tall) torus but x12 isn't too hard to find from a decent lumber yard (i.e. not Wickes or B&Q) so at a push you could buy x12 and rip 2" off it.