They do look good, they are a2 stainless steel but a4 is better if you can source them, I like to put a little shrink wrap on the top of the bolt where it goes through aluminium and steel body bits so it isn’t going to cause a reaction with the dissimilar metals
Zinc Chromate paste, sold as Duralac, is the proper stuff, but if I’m honest I rarely bother except on boats.
Amazon product
Managed to find another set for saleThey do look good, they are a2 stainless steel but a4 is better if you can source them, I like to put a little shrink wrap on the top of the bolt where it goes through aluminium and steel body bits so it isn’t going to cause a reaction with the dissimilar metals