Brackets for Mirrored Bi-fold closet doors

A handy person from New Bern, NC says:
The brackets in these pictures fit in the inside corners of the bifold doors and are designed to hold the rollers or hingepins. The weight of the mirrored door eventually breaks the plastic brackets. There are four on each panel, some at the pivoting hinge between the two doors that break from the weight. The brackets also serve to hold the frame together. I can find no identifying marks on the doors except for a sticker saying Arch Mirrors. Can't seem to identify that company or the door manufacturer. Need new corner brackets for these doors. Can you help? Thanks!

User submitted photos of closet door hardware.
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Tom from SWISCO responded:
Good morning, Dennis. This looks a lot like our 23-409 corner connector. Check it out and let me know your thoughts.
A quick learner from New Bern, NC says:
Yes, that looks like the part, but the color is darker. Do you know if they make a stronger part or if this would be stronger that what I have? Three closets/three sets of doors that are breaking these brackets. What about 23-409? Would that be a stronger replacement?
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. The color doesn't matter so much, and this hardware is usually hidden from view so it will not be seen. I don't believe they make a stronger version, unfortunately.
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