Opens to left looking at window from outside

A quick learner says:
Base is 5-1/4 inches long and crank part is 2-3/4 inches long
I have the white cover that fits over the mechanism.
Thumbnail of the uploaded file named Crank out Window Mechanism Pic 1 MW.jpg
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Bob from SWISCO responded:

Take a look at our 39-002 to start. Review all the dimensions and see if this matches up with your old operator. 

Anatomy of a casement window
Anatomy of a casement window
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