Window crank handle

A home owner from Oregon says:
I'm trying to order 3 of these and need help.

Thank you
User submitted photos of a window operator handle.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. Can you confirm the size of the spline? I'm thinking it might be 11/32". If it is, see our 39-114L. That could possibly work for you, but only if your spline size is 11/32".
A quick learner from Oregon says:
I think the spline size is 9/16" but I'll confirm then get back to you.
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