I bought the car without the trim and i have no idea what is correct for 1972. Cheers! OPGI recommends these https://www.opgi.com/convertible-to...72-convertible-kit-12-clipsscrews-c21154.html
You shouldn't need any of the clips at all.....all the '70-72 Abody converts I've messed with have the pinch weld molding held on with JUST SCREWS. There are holes in the underside lip of the pinchweld molding where the screws go through. I guess you might be able to use those clips if you want to be able to remove the molding a bit easier after it's been installed but again, I don't believe the factory used them from '70 on.