Hand Crank Operator

A home owner from Marshfield, MA says:

Could you please help me match up the attached hand crank operator. Thanks for the help.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Take a look at our 39-057 . This may work for you, though I'm not sure about the link arm, since it's obscured in your pictures. Carefully go over our pictures, measurements, and information for the 39-057 and see if this would be a good replacement.
How to Replace an Awning Window Operator [1080p]
How to Replace an Awning Window Operator [1080p]
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