#4 T Handle for my Window Crank

A quick learner from Birmingham Alabama says:
I need #4 T handle window cranks. I have never seen one like mine on all the sights. I fits onto an 8 sided plastic piece and the T does not have a set screw on it that I've seen. Of course when we moved in there was only one crank left. I am sending a picture, please help !
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Tom from SWISCO responded:

Hi there! This looks like a Pella brand window, which makes this a very easy answer: see our 39-227B Pella brand T-crank handle.

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