Benchmark steel bi-fold door Hardware

A home owner from USA says:
I have 70's era Benchmark steel bi-fold doors on my pantry. I need new hardware for them but I can't identify which parts I should order. Can you help. The doors are 60 inches wide by 79 inches tall (total of 2 doors and 4 panels total.

Marilyn
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Paul from SWISCO responded:
Thanks for posting, Marilyn. Benchmark uses two types of pins. Our 21-002 is the bottom corner adjustment pins, while the other three are guide pins like our 21-044. Check them out and let me know if they're a match for your hardware. For the top and bottom corner brackets, you should consider our 21-209.
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