Operator T-Handle Inquiry

A quick learner from Bethany, CT says:
June 19, 2019
The inside of the window mechanism has the numbers 31512 on the left and the number 40942-A on the right looking outside the window. The crank itself is round inside--no slots to either side. A small screw has to be worked in order to remove the window screen. I want to replace these with a T handle so the crank will not interfere with the new window shade treatments. I have a total of 16 casement windows all with the same mechanism in white.
Thank you!
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Tom from SWISCO responded:
June 24, 2019

Sure, we can definitely help with this. I'm almost positive that the diameter of your old hande's hole will be 11/32", but you may want to measure it just to be sure. If it is then you should be able to use our 39-102 without issue.
T Handle, 11/32"
T Handle, 11/32"
39-102
$7.45
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