Left and right part needed

A home owner from NJ says:
The numbers found on the hardware are. Op052052, op052020, op051505. I need the crank and the handles both left an right window.
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Emily from SWISCO responded:

Hi there!

Start by taking a look at our 39-325 and 39-326 operators, along with the other parts that we've related for you on this page. Look over the dimensions for each and compare them to your original hardware to see if these items match what you need. 

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