Window balance

A quick learner says:
Not sure which one to order, I would like both Left and Right if possible. Looks like 6lb?
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Emily from SWISCO responded:

Hi there!

This looks like a match for our 15-087 which uses the Series 180 coil springs. Since your pivot shoe is marked with a 6, you'll need the S180-6 6 pound coil spring. Look these parts over and let me know if you have any questions!

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