SWISCO - The Replacement Hardware Authority

Need a few replacement cranks

A handy person from Saint Augustine. FL says:
I just moved into a new house and half of the windows in our sunroom (which are now stuck in the open position) need replacement cranks, but I have not seen any like these anywhere. Can you identify them and let me know what kind of replacement to order? Thanks!
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Kate, thanks for posting! It's hard to tell what you have without specific dimensions. I think you might want to see our 39-025, but I'm not certain if that's what you need. Take a look at it and compare the measurements, let us know if they differ in any way.
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