Window operator needed, Wright product

A quick learner from North Brunswick NJ says:
Wright replacement cranks needed right and left, old ones rusted not working . Cranks and operator needed. Not sure about correct one to order.
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Casey from SWISCO responded:

Hello,

Your operator looks like it could be a match to our 39-388 and 39-387 Wright split-arm operators. Look them over and see how the dimensions compare to your hardware. Thanks for posting! 

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