SWISCO - The Replacement Hardware Authority

Need part number

A quick learner from Idaho says:
need two different replacement arms and cranks. Please let me know the part numbers so I can order the correct parts.
User submitted photos of a window operator.
Profile picture of Paul
Paul from SWISCO responded:
This looks like our 39-027E and 39-028E. Check them out and let me know if you agree.
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