These are made from solid brass.
This is a pair of collars.
These best suit a 15mm pipe.
They simply slide over the radiator pipe, covering up the floor/wall hole in which the pipe passes through.
Natural brass colour.
(Also available in silver aluminium in my listings)
The dimensions:
Outer diameter : 38mm
Hole diameter: 15.2mm
Width: 3mm
If you require a single collar, then use below link:
https://www.ebay.co.uk/itm/234950110179?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=TvuJvUSCRRC&sssrc=2051273&ssuid=TvuJvUSCRRC&var=&widget_ver=artemis&media=COPY
Any questions, please ask.
Thank you for visiting!