To save yourself lots of cash, buy your tubing (Fre-Thane 95A Polyurethane) from Freelin' Wade.
http://www.freelin-wade.com/fre-than...1462-l-en.html
McMaster-Carr also carries the same tubing at similar prices.
This place also sells 9462 Impact Resistant Epoxy (V-Poxy, & AeroPoxy) as well as the applicator gun.
http://www.mcmaster.com/#catalog/119/3416/=ord1b8
part# 74695A71
http://www.mcmaster.com/#6430a33/=orcut2