Stop in for a cup of coffee

Should be 5/16" steel tubing shouldn't it?
One end with a flare that has the nut captive to the tube.
The hose end should have a bead or bubble.
That's more difficult to find. Not sure if any of the Imperial flare kits can do that.
Parker tube beading tool.
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Not sure what type of place would have one.
I ending up buying a used one.