Window crank - left side of window

A quick learner from Shelby Twp. Michigan says:
White plastic, this crank is on left side of window.

The only markings on it are the brand "TRUTH"
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Casey from SWISCO responded:

Hello,

This could be one of two operators sets that we carry. Take a look at our video below to choose the correct replacement option for your window. Thank you!

Comparing the 39-253LB & 39-438B Operators
Comparing the 39-253LB & 39-438B Operators
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How to Orient a Dual-Arm Operator
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Anatomy of a casement window
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How to identify casement and awning operators
How to identify casement and awning operators
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