Nothing at all to worry about. I've sanded a tiny area as you can see (worst bit I could find) and no pitting.
Only a minor bit of discolouration to the steel as I've tried to show in pics. Or just a bit of time and a sander. Sorry but collection only on this.
This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Other Car Parts & Accessories". The seller is "rcshowandgo" and is located in this country: GB. This item can be shipped to United Kingdom.