not sure what operator to choose

A quick learner from Nebraska says:
I'm totally confused as to which operator I need. I am enclosing a picture with the measurements written on it. Can you help me? I'm sure it's the 10.11 but it looks like them are different dimensions. I need both left and right sides. I appreciate your help.

User submitted a photo of a window operator.
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Tom from SWISCO responded:
I'm afraid we haven't been able to find an exact match for this. It looks like it might be somewhat old. Could you get our 39-070 to work? It may not be the exact same size, but it is the closest match we've been able to find.
A quick learner says:
Is the only difference the 1" depth? I'll have to check next time I'm there. Thanks
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
When installing the 39-070 in your window, you might have to set back the base of the operator housing so it will operate properly. I had an operator similar to yours on my windows at home and had to do the same. I added a small piece of wood trim for the set back to make it look nice in the end.
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