5/8" Diameter White Tip Spiral balance

A quick learner from Smithton, IL says:

It has a white tip. It is 5/8 and 17" long. The main question I have is I do not know what series I have. Also, I don't know the weight of my window

Also the coil extends past the metal shaft by about 1 and a quarter. Don't know if that matters

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Tom from SWISCO responded:

Hello! If the diameter of your tube is 5/8", then I recommend our S500-17. You will definitely need the weight of your sash, though, since we don't have a white tip for this size. We have a chart on the S500-17 store page that tells you how much weight our options can support.

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