window crank/arm replacement

A quick learner from Rehoboth Beach Delaware says:
July 31, 2019
Either a Pella or Anderson window arm and crank. Patent #4505601 Truth 45301. Arm extends to 17 3/4 inches.
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Dave Sr. from SWISCO responded:
August 4, 2019

I'd like for you to start with taking a look at our 39-140 dual arm crank. Review the measurements closely and see if this is a match.

Dimensions for 39-140
Dimensions for 39-140
Dual Arm Crank, 16"
Dual Arm Crank, 16"
39-140
$53.95
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