Dartin for Divorce

69_340_GTS said

3/8-24 and 7/16-20 as far as I know. Just SAE fine thread. Nothing weird about them except that internally they both fit the 3/16 brake lines.

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I found this on FABO to use as reference

The the store didn't have 7/16-20 and was only had 7/16-24. I threaded the fittings on without a brake line before putting the fittings on the lines and they threaded on nicely.