SWISCO - The Replacement Hardware Authority

Window arm information

A contractor from Leonardo, NJ says:
I found the numbers 3084L and 3084R on the original. I also found entry guard 20755 and the numbers 6027. I am not sure which arm is the right one for my replacement, can you tell me which replacements I need? I need the left and right as it's a double window. Also, is there a certain length the arm needs to be? I saw on your site you have 9 1/2" and 10 3/4" I think...and I'm not sure what length I need so figured I'd email you for help. Thanks!
User submitted photos of a window operator.
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Tom from SWISCO responded:
Thanks for posting. Please see our 39-031 and 39-032. Don't worry so much about the stamps, just focus on the size and style. We show detailed dimensions for both parts on their respective store pages. Carefully look them over to see how well they match up. If they differ in any way, let me know how.
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