Product review (5 stars): Works For Me
This has worked just fine for me so far.  My dishwasher is more than 10 years old and just about every rack prong had become rusted..  It was a little time consuming having to paint that many prongs, but it covered well using two coats.  I let the rack dry for at least 48 hours before using it and it seems to be holding up well after 3 weeks of everyday dishwashing.  I'm very happy with my purchase and would purchase again if need be.