Window hardware

A quick learner from Ca says:
I'm looking for this hardware. It has a 8 1/4" arm but has 4 screw holes not 3.
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It's hard to tell what you have without seeing the operator removed from the window, but see our 39-039 and 39-030 and see if either of these can work for you as a replacement.
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