Upper and lower glides

A handy person from Princeton mn says:
To#ondoor Stanley,51026942 243504
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Tom from SWISCO responded:

Thanks for contacting us. The bottom guide in your first two photos looks like our 21-174, but I'm not sure about the guide in your third photo. It's similar to our 21-103 but still very different in some important details. Could we see it out of the track? Can you also tell me its dimensions?

Bi-fold Door Repairs
Bi-fold Door Repairs
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