Awning windows are not getting locked

A home owner from Margate, FL 33063 says:
Hi, I have very old awning window. When i close windows from operator the windows are still not getting locked. Like if i push window i can open it easily.
I realized there are plastic pieces on both sides of window panel are broken. Picutures are attached.Please see if you guys have it . I will be needing 20 of those for all windows. Thanks
Awning guides
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Tom from SWISCO responded:
This looks similar to our 39-537. Check it out and see what you think.
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