2009 Hino 258 rear hard brake lines SAE or Metric?

[Trentrent]

Hi Gents,
I have a rear steel brake line leaking on my 258 and was wondering If the hard brake lines are SAE or Metric?
Thank you in advance!
Trent

 

[greasytshirt]

Good question. Those parts are made by meritor.

I don't really know, I reuse the fittings when I make brake lines.