Anderson Window Sash Replacement Help

A handy person from phila, pa says:

I would like to identify the correct replacement sash balance for the attached picture.

User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Justin, thanks for posting. Take a look at our 24-939 Andersen sash balance. This can be used to replace balance boxes with the stamp 9#27.
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