Truth handle 11/32 or 5/16 spline?

A home owner from Quebec says:
how do I know which spline I have?

it is written TRUTH on the handle

thanks for answering to me
A user submited photo of window operator
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thank for posting!
Our 39-114L and 39-205 are both popular handles for this type of Truth operator. They both have an 11/32" spline.
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