Need help replacing sliding shower door track part

A home owner from Louisville says:
Hi there,

Two of these recently fell off my old shower door. Can you help me replace/identify them?

Thank you!
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Bob from SWISCO responded:

The shape reminds me of our 10-216 Shower Door Guide. Look it over and see if you think this is what you need.

10-216 : Shower Door Guide
Shower Door Guide
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