Spiral balance, 5/8 in

A quick learner from Oklahoma says:
No markings found on hardware, "GA" on window lock. Metal bottom screws into bottom of window.
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Paul from SWISCO responded:

Your balance system has been discontinued, but we have a solution. I suggest our 5/8 diameter Series 500 spiral balance with a red tip. I also recommend a 17-012 bottom bracket. We've been using this combination to repair windows like yours for the better part of a century.

A quick learner from Oklahoma says:
Thank you! This is exactly what I needed.
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How to Identify a Replacement Spiral Balance
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