Bifold door hinges

A quick learner from Whiting njjayparadiso says:
I cannot find these anywhere . I need about 6 to 9 of them have they been replaced by something else.? The doors are hollow and probably about 30 years old or more . I will use a substitute if I have to. Just want to make sure it's right, big box stores have no clue what to reccomend even. Thank you no
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Bob from SWISCO responded:

Take a look at our 23-405 . Look it over and see what you think.

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