new window cranks

A contractor from Champaign IL says:
Our Maintenance tech sent these to me and needs for me to order new window cranks. I am unsure which one to order. I was hoping you could help me with this.

Thank you!
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Tom from SWISCO responded:

Hello! I believe your operator is a match for our 39-035 and 39-036, but you should review the complete mechanism to confirm, not just the arm. That's the only way to be 100% sure.

Dimensions for 39-036
Dimensions for 39-036
Connecting a casement window operator to stud bracket
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