Looking for Casement Operator

A home owner from Minnesota says:
Hello, I have an older bow window with casement crank out operators on it. The manufacturer of the hardware is Truth Hardware. I believe my color is Clay. I'm looking for the left hand crank out operator. I need to be sure that it has Truth Hardware's part #40394 included. Please see the attached pictures and advise if this part is available and it's respective cost.
Thanks, Steve
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Casey from SWISCO responded:

Hello,

Take a look at our 39-089 operator. Please let us know if you need anything else. Thank you!

A home owner from Minnesota says:
Hi Casey, operator 39-089 looks correct. I was wondering if you can obtain some dimensions of the zig zag portion of it. That shape looks correct, I would like to know if it's the same size as Truth Hardware's 40394.
Thanks, Steve
Profile picture of Casey
Casey from SWISCO responded:

Sure! It's a little awkward to measure due to its shape, but going from the center of the gear to the center of the rivet, I'm getting approximately 4-9/16".

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