my tip color is yellow. what does my balance need?

A quick learner from Kentwood, louisiana says:
The tip of my window balance is yellow and you don't show this color on your chart. Which color should I use?
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Paul from SWISCO responded:
Can you please tell us the length and diameter of your spiral balance, as well as whether your window is tilt or non-tilt? Thank you.
A quick learner from kentwood, louisiana says:
28" in length, 9/16" in diameter and a tilt window
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Paul from SWISCO responded:
A 9/16" tube for a tilt window would be our Series 600. Now, our Series 600 doesn't provide a yellow tip; therefore, you will need to weigh the sash, so that I can determine correct color bearing. You can use a bathroom scale, if you wish.
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