I have a set, minus one, that "might" fit. Here is a couple pics of them.
[ATTACH=CONFIG]480331[/ATTACH]
There was 30 originally, the missing one was gone when we got the set.
[ATTACH=CONFIG]480332[/ATTACH]
[ATTACH=CONFIG]480333[/ATTACH]
The shaft hole is about a 1/2".
If you are interested in these PM me and I can do some more measuring.
Joe