DMcQuinn
Thanks for that, saves me a little work.


maineflyer
Thank you, I think i've found a source for the Viton tube here in the U.K. but not sure if they sell it in small quantities?
As far as I can see the inside diameter is available in either 2mm or 3mm - the 3mm being just under 1/8, would that be OK ?

Thanks Guys

Falcon