fittings

Hi! I’m a long time lurker, just purchased my TJ used a couple months ago but have wanted one forever. I come from a JLUR but wanted something a little more dedicated and simple. I’m half way through my 1976 F-100 Dana 44 high pinion front axle swap and I’m hung up a bit on the brake line...

2003 Rubicon TL;DR [rounded a brake line fitting and it seems the old is bigger than 3/16. can I still use 3/16 or should I try to match the previous size? Help on identifying it? Also any help with fitting identification/verification is appreciated] So in the process of doing a brake job (...