Window Crank Replacement

A quick learner from 06831 says:
I believe I have a truth window crank, model 30744B. I did not see that model number on the site. Can you let me know if you have an equivalent part.
thank you
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Emily from SWISCO responded:

Hey there!

Start by taking a look at our 39-315 and 39-316 operators. Carefully compare our dimensions to yours and see if this matches your original assembly. 

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