Help with crank handle

A quick learner from Lebanon, IN says:
I'm hoping you can help me with this striped out crank handle.. This website help me find guides for these bay windows last year so I'm hoping you can save me again. I have no ideal what brand they are..
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Bob from SWISCO responded:

Hello there. Start by viewing our 39-027E and 39-028E 9-1/2" Operators, or our 39-254E & 39-255E 7-1/2" Operators. The chief difference here is the length of the straight arm, so compare both with your old hardware to see if either set matches what you need. Let me know what you find. 

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