hardware request for metalic bifold door

A quick learner says:
Please, I am seeking assistance with completing the hardware for 6 x 24" bifold panel for 3 x 48" closet. I picked up these used doors from a yard sale and would like to install them.

I am primarily missing the 3x upper tracks and 6 x pivot/jam bracket (and associated pins). Some of the hardware in the photo does not spring anymore, I therefore would like purchase about 50% of what is required so I could mix and match.



Please see attached photos and thanks in advance.
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Paul from SWISCO responded:

Hello,

You have the old Slimfold bifold doors. We carry the parts for the new style that will fit in your door. For the tracks, look at the 21-401 (3') up to 21-404 (4'). For the bi-fold pins, you will need one bottom threaded pivot pin, 21-001 and for the other three, you will use the 21-007. We only have the replacement cap for the threaded pin 21-106. Please review and let us know if you have any additional questions. 

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