Casement window handle

A home owner from LaGrange, Illinois says:
I have casement windows with KK on cover. One of the handles is stripped. Attached is a photo of the handle with the approximate dimensions. It is gray color with a 3/8" bore hole and has a set screw. On the inside of the handle is stamped 9
I have put the approximate dimensions on the picture.
User submitted a photo of a window operator handle.
Profile picture of Tom
Tom from SWISCO responded:
It's hard to say. The only handle we have with a 3/8" bore size is the 39-104, but this is used on a very specific kind of operator. Are you sure it's not 11/32" instead? If it is, see our 39-114L.
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