Operator track

A quick learner from USA says:
I was wondering if you could help me with an order that I would like to place. I attached a picture but not sure which operator track I need or what info I need to get right part.
User submitted a photo of a window operator.
Profile picture of Paul
Paul from SWISCO responded:
Check out our 39-020 and 39-520 and see if this hardware can work for you.
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