Thermal Gard casement window operator

A home owner from langhorne,pa. says:
Hello, here are some pictures of the window handle operator.
The make is a truth unit no numbers, Looking from inside the house the window pivot is on the left side. The window mechanisms is also on the left side looking out side. As you can see the handle is also offset to the left of center ( don't know if it matters on the new one.
The long curved arm that curves to the right long arm is 10 inches long.
The curved arm that goes to the left is 4-1/2 long center line, the arm that is attached to it is about 4-1/2 inches long.

I appreciate all the help, I'm at wits end.
Thanks Jack
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
This looks a lot like SWISCO product code 39-253R 39-253R, Truth Operator. Compare the measurements and let us know if they differ in any way.
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