Andersen Sash Balancer both left and right

A contractor from New Jersey says:
September 20, 2017
Need a replacement for both left and right but the numbers on the unit don't match anything listed on your site.
Andersen Window balances
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Tom from SWISCO responded:
September 26, 2017
If that's a "7 27" I'm seeing, then you can use our 24-737, which replaces Andersen balances marked with variations of "727" and other numbers.
Andersen Sash Balance, 725, 727, 731, 737
Andersen Sash Balance, 725, 727, 731, 737
24-737
$54.20
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