One of the nice things about these rocker guards is that they cover wheelwell-to-wheelwell.
Most (all?) of the tub mounted ones only protect flair-to-flair (like that plastic fender flair is going to protect anything
The step is slippery when wet.
If you're looking for frame-mounted rocker protection, these are the way to go. They cam highly rated, and I was not disappointed.
Since this picture was taken, I have scraped them up a bit at Paragon. They didn't dent, just scratched. Quick touch-up with spray-paint keeps the rust away.