Windows Channel Balances

A home owner from Pleasanton, CA says:
I need to replace channel balances that are 27" long and 1/2" wide. They are stamped "26 5 ES CALDWELL".

Please let me know which one to buy?

Thank you,

A customer submitted photo of channel balance attachments.
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Tom from SWISCO responded:
Thanks for the pictures! Before we can offer an applicable replacement for your channel balances, however, we just need to know a bit more information regarding your bottom shoe.

Please refer to the following chart and compare your shoe to the examples shown. Which one of these matches your hardware? This will help determine your balance Series. Thank you for your cooperation.
A SWISCO guide to identifying balance shoes.
A home owner from Pleasanton, CA says:
My channel balance stamp reads "26 5 ES CALDWELL," and the channel portion length is 27 inches.
The bottom shoe does have wings, and its width is 1-3/32".
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Tom from SWISCO responded:
Thank you for the information. In that case, please take a look at our S385-27 channel balance with a 2650 stamp option.
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