replacement for unique window balances

A quick learner from Belmont NC says:
I need to find replacement balances for ones that are stamped (12/2) unique 27-c-30 the other (10-2) unique 27-2-30.. Please advise

A customer submitted photo of a window balance.
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Paul from SWISCO responded:
Thanks for posting.

Could you please give me the length of the balance in inches?
A quick learner says:
The actual measurement of the metal frame on the balance is 28 inches. The S795-27 looks like it is 27 inches. Would the S795-28 be a better fit?
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Mike from SWISCO responded:
Thank you for getting back to use with the measurements.

It appears you'll be able to use the S795-28 with the 28C stamp option as a replacement.

Thank you for your patience and cooperation.
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