Window Balance 29-1 LK Caldwell

A quick learner from springhill florida says:
hi there are number on the balance system 29-1 LK caldwell its 30" long and 1/2" wide
Channel Balance
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Tom from SWISCO responded:
Based on your pictures, I would recommend either our Series 390 or Series 351 channel balance depending on the size of your bottom shoe. Look them over and see what you think.
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