Searching for feprestro window crank

A quick learner says:
Looking to replace this window hardware
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Lauren from SWISCO responded:

Hello, thank you for posting,

This style of operator is very old and we do not offer an exact match. The closest we are able to provide is the 39-358 operator, but we cannot guarantee it will be a direct fit. Please review the dimensions to see how they compare to your original and let us know what you think! 

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