Looking for replacement pins/springs/parts

A quick learner from virginia says:
I didn't find any markings on the doors. I want to replace the 4 pins & springs assembly.
Bifold door hardware
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Paul from SWISCO responded:
We carry the newer style Peachtree pins, and I think they might work in your case. See our 21-028, 21-029 and 21-030. However, just to be sure, check the thickness of your old pins. The new pins are 9/32" thick. Will that fit in your pivot blocks?
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