andersen sash balances (2)

A handy person from Naperville, Il says:
Cannot determine which balances I need. There are two identical ones.
Some numbers:
BP25 12#27 5-86
See attached pictures.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting, Mike. Based on your stamp of "12#27," I recommend our 24-1231 Andersen sash balance.
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