Anderson double hung window balance

A home owner from Pennsylvania says:
One of the cords broke on my window and I need to replace one of the balances, but I'm not sure what parts correspond.
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for posting, based on your stamp of "9#27"I would recommend taking a look at the 24-939. Please compare!
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