lanai windows damaged in hurricane Ian

A home owner from North Fort Myers Florida says:
This is a picture of an unbroken part, but many were broken when older vinyl windows,(think boat window vinyl or vinyl tablecloth) were torn off by Hurricane Ian. Shredded vinyl can be replaced but I can't find this part to replace the broken ones. I'm not sure what it is called so don't know how to do search. Or what part could be used in its place. Any help much appreciated.
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Emily from SWISCO responded:

Hello there!

Thank you for reaching out to us. We've seen this part a few times in the past but don't think it's made anymore. The 91-179 bolt assembly is our closest match though I can't promise it will work for you. Look over the specifications and see if you think this could be adapted to your window.

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