casement window crank device nu-AIR

A quick learner from pt pleasant nj says:
Hope you can identify the part.. i need 3
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It's hard to tell without more detailed dimensions, but see our 39-277 and 39-278 and see if either of these could work for you.
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