Bi-fold replacements

A quick learner from US says:
I am having trouble locating right replacement pins for these doors can you help with the right parts.
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Paul from SWISCO responded:

Thank you for your patience during this busy season. It's hard to make out what you have without knowing the size of the pin. I also cannot see the nylon glide they fit into. That said, look at our 21-055 and 21-056 guide pins and our 21-114 pin cap. Do these match the hardware you have now?

A quick learner from US says:
They look right, someone else took the doors off and took some parts off the pins, I will measure my pins to make sure they are the right lengths. Also do all 4 pins need springs and the speed nuts, all the door pin caps were left in the channel.

Thank you
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Tom from SWISCO responded:

Not all pins need springs. The lengths also aren't that important. The details you want to focus on are the shape of the nylon guides and diameter of the pins. If we can see close ups of the parts you have, and of the guides in the tracks, I feel confident that we can find something that will work for you.

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