Replacement window crank

A handy person from Collinsville, IL says:
Not sure which crank. It does say True on the arm.
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Casey from SWISCO responded:


Take a look at our 39-220 split-arm operator. Dimensions and specifications can be found on our product page. Please let us know if you have any other questions. Thank you!

Anatomy of a casement window
Anatomy of a casement window
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