- 20220823 130438
there's a support frame made of 2020 aluminum. like 8020 but smaller - 20220823 130445
there's a slot in the bottom of the roof rack bar. the bolt head goes in there with a fender washer, the bolt goes through the 2020 bar, and the nut is recessed in the bottom so you don't see it. The frame is extremely strong. I can rock the truck side to side push/pulling on it. - 20220823 130451
- 20220823 155238