No Markings Found on Any of These Parts

A contractor from Columbus Ohio says:
Casement Window Crank & Bottom Track Identification Request. Would appreciation any assistance that you could provide.
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Start by looking at our 39-001 and 39-002 . Double check to make sure that our dimensions line up to yours. As for the track, I suggest considering our 39-512 .
Anatomy of a casement window
Anatomy of a casement window
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