need a replacement for a mid 90s aluminum window balance

A home owner from California says:
This balance is for a 3' x 5' aluminum single hung window. The metal channel of the balance measures 27". The stamp on the balance reads 26 4 FN CALDWELL.
Do you sell a replacement?
Thanks, Zack
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! Before I can offer an applicable replacement for this channel balance, I just need to know a bit more information about the bottom attachment. Please take a look at our 15-004 and 15-005 channel balance shoes, and note their depths. As you can see, they are 1-3/32" deep and 1" deep, respectively. Which one more closely matches your own bottom attachment?
Detail of 15-005
Detail of 15-004
A home owner from California says:
Thank you for the reply. I have measured my balance and need the 1 3/32" shoe depth.
Thanks Zack
Profile picture of Tom
Tom from SWISCO responded:
Awesome! In that case, check out our Series 385 channel balance and see if you think this would be a good match.
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