Help putting KH back together on 70 Duster

Are they actually different? A lot of the brake part listings for these years are screwed up, with redundancies and multiple numbers. I can't think of why the caliper hard lines would have ever changed. The line from the MC or from the distribution block, yeah, that could be different.

Here is a picture of the bracket from the 68 FSM.

View attachment 1715513435
Thanks so much for the pic! Yes, agreed. Makes no sense why a hard line would be different at the caliper. Guess I'm buying hard lines and brackets. Still, makes no sense what these brackets that I currently have go to