Searching for Pella casement window t crank handle 1999

A quick learner says:
Hello -

I have Pella windows installed in 1999. I would like to replace the crank handles shown with t-crank handles. (The t crank handles shown are what I have in other rooms ). Would you have any available that would work?

Thank you !
Thumbnail of the uploaded file named IMG_8473.jpeg
Thumbnail of the uploaded file named IMG_8474.jpeg
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Emily from SWISCO responded:

Hi there!

Since this is a Pella brand operator, I would recommend the 39-227B. This is designed to fit on a 3/8" spline. Take a look and let us know if you have any questions. 

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