so got hold of some
30cm length of each of surgical stainless steel
17G 1.10mm I/D 1.47mm O/D
and 1 pc 8.10mm I/D 9.53mm O/D
from a hypodermic needle come lippo suction manufacturers




now i am looking to get a nice push button type trigger for the gas
as you can see i can in theory use it as is with the ss tyre valve set up