I was expecting to see Ranex at work on that door, but I guess you didn't need it this time around.
I actually did use ranex AFTER I stripped the paint off with Citrus Strip. Ranex and a hand held wire brush. I then used the Bench Grinder with the wire fitting. It is guaranteed not to rust !
Oops, somehow I skipped reading that particular caption. It sounds like a lot of hard work even with Ranex.