Help finding replacement coil balances for this window

A quick learner from Charlottesville, VA says:
Coil measured 1/2" wide. Window is around 28" tall if that helps at all
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Bob from SWISCO responded:

I believe this might be a Series 190 Coil Balance, which uses the 15-186 Coil balance clip and connects with the 15-180 Pivot Shoe. Look these parts over and let me know if you have further questions.

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