In the process of cleaning and decluttering our place lately I've been making regular trips to the local scrap yard. These are going tomorrow, unless someone sort of local (Southern Ontario) @Eugen @DavidBarkey @Spike188 who has a lathe or other use for them. Price - TBD - basically what ever the scrap value is for them.
They were originally feed rollers for our photographic print processor. I sanded the non-stick coating off one so the scrapyard could see exactly what I had...
over them afterwards, you know where they are 