Crest line window crank. It is older.

A home owner from Sioux Falls SD says:
This is a crest line window crank. Right hand. It is older window. I will need both right and left I see the number 40574 stamped on it
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Emily from SWISCO responded:

Hi there!

Take a look at our 39-216 and 39-217 operators. Carefully compare our dimensions to your current operator to confirm if they match up for what you need. 

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