Trying to identify window crank

A quick learner says:
I have a few casement windows that have broken and need help identifying the correct replacement.
Thumbnail of the uploaded file named Window Operator 6.jpg
Thumbnail of the uploaded file named Window Operator 3.jpg
Thumbnail of the uploaded file named Window Operator 7.jpg
Thumbnail of the uploaded file named Crank_1_thumb.jpg
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Tom from SWISCO responded:

Hello! If all you need is the handle, then my recommendation would be the 39-232. This has an 11/32" spline and is designed only to work on Truth brand operators. Look it over and see what you think!

Dimensions and profile view of 39-232
Dimensions and profile view of 39-232

Dimensions and alternate view of 39-232
Dimensions and alternate view of 39-232

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