I too am looking for a couple of them. So far, I haven't found a local source for them. I would prefer to hold one and look it over before buying a pair for the trailer.
Craig and Carol
1997 34' Excella 1000
1970 27' Overlander, International
2009 Ford F150 5.4L
ProPride hitch with 1400# bars
Past President Southeastern Camping Unit (12)