WIndow closer match

A home owner from Hamilto,n NJ says:
I have those number at my window closer 30637, 20810, 40372 . what is the mach number for your parts . i need 3 sets. Are those number belong to entry gard closer. thank you
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Paul from SWISCO responded:
Thanks for posting. Based on those numbers, I would start with our 39-031 and 39-032, or perhaps our 39-035 and 39-036. Check them out and see what you think. If they don't match, I would need to see your hardware removed from the window in order to identify.
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