Folding closet door guide on tracks

A quick learner from Cherry hill nj 08002 says:
Part is for a closet folding door, unfortunately no part nos. or names.
User submitted image of their closet hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I'm afraid this pin with the 1/2" nylon cap is no longer available. That said, we do have a few suggestions that you can consider. Start with our 21-101, 21-103, and 21-109. Also take a look at the 23-115 pin. See if you can use any of the caps listed; some are a little large and some are a little smaller in diameter, but we cannot find anything closer. The only other option would be to use a complete new track kit like the 23-505.
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