The silk tubing was purchased from Parts Connexion. Their parts numbers are: SLKTUBE-72530 (small gauge) and SLKTUBE-72531 (slightly larger guage)
You can also purchase bare copper and/or silver wire to use with the silk tubing. Let us know what you have concluded if you decide to experiment.
You can also purchase bare copper and/or silver wire to use with the silk tubing. Let us know what you have concluded if you decide to experiment.