Brake line bubble flare -- need advice Options

[strawman]

I am replacing all hard brake lines with Cunifer metal lines and new brake line nuts. I bought a Craftsman double flaring tool, with the understanding that I only need to complete the single flare. However, as shown below, I am not sure the flare (the copper colored flared end) is appropriate. Any suggestions?





By the way, this Cunifer stuff is pretty flexible and it is supposedly kink-free. You can buy it through http://www.fedhillusa.com/

Thanks in advance!

[ChrisFoley]

Did you try seating one of your flares into a female fitting?
It shouldn't be too hard to tell if it is going to work based on the feeling you get as you snug up the connection and the compression pattern on the end of the flare.
There should be a range where it feels tight but you could continue tightening more and there should be a full circumference ring visible where the flare contacted the other surface.

We've made bubble flares in Bundy tubing without much trouble using a modestly priced tool.

edit: changed double to bubble