dual roller tilt

A home owner from Port Charlotte, FL 33981 says:
the existing is a duel and has a 10 marking on each piece. The foot cam broke out of the existing. It measures 9/16 x 1 1/4".

Thank You
Mike
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Lauren from SWISCO responded:

Hi Mike, thank you for posting,

Your balance assembly resembles the S161-10. For a double assembly, you will need the 15-086 coil housing with the Series 180 coil springs. 

Alternate image for S161-10
Alternate image for S161-10

Looking at the markings on your balance, it reads 10 and 10, meaning that the sash weight is 40 pounds overall, carrying 20 pounds on each side. Unfortunately we do not currently offer a 10 pound spring for the Series 180, but we are bringing it in. There is a 4-5 week lead time. 

I will inform when this option is available to purchase online. Please review and let me know if you have any additional questions. 

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