casement window part

A home owner from Madison WI says:
Hello Swisco.

Not sure how to describe these small parts (1.5"). These are bottom parts that broke. When cranking to open you can see the arm is disjointed/separated, thus the window cannot be opened and closed. Small bathroom window that cranks open an approx 13"x14" window.

Do you have replacement parts? Thank you.
Thumbnail of the uploaded file named IMG_7736.jpg
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Tom from SWISCO responded:

Hello! These parts look similar to our 39-536 and 39-558. Compare our pictures and measurements to yours to confirm that these will fit in your window.

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