Balance identification

A home owner from USA says:
I am trying to order balances and am not sure about the parts. 2830 is stamped on the balance, looks like shoe 15-003 and top 19-002, but I'm not sure. Thanks for any assistance..
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
I don't believe this is the 15-003 shoe. I would say it's either the 15-001 or 15-002, depending on the depth. When measuring, make sure to account for wear.
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