Replace Truth crank windows with 39-107FK bronze.

A handy person from San Francisco says:
I want to replace my old crank Truth operator handle and cover installed on 30 year old POZZI windows with bronze folding handle kit.
The white plastic cover is 5 1/4" long with the spindle in the middle.
Will the 39-107FK bronze work? I've attached pictures.
Can I buy only one unit to be sure it fits before buying quantity for entire house.Is there a product number designate bronze color?
Thumbnail of the uploaded file named IMG_9212.JPG
Thumbnail of the uploaded file named IMG_9211.JPG
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Bob from SWISCO responded:

So long as that spline is 11/32" in diameter, I do think the 39-107FK should work for this operator. You certainly can purchase one through our online store, and if it works well for you, you can order more. Let me know what you think. 

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