Ultralift spriral balance

A contractor from Doral, FL says:
Good Morning
Below i sent you guy a picture from ultra lift balance, please could you tell me if you carry on or fabricate it this model? If its yes, please send us all information about that (availability, price and shipping), Im located in Doral, FL and we'll need just four (4) pieces

Thank for your attention

For Kaplan Adminstration
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting, Javier. Start by looking at our Series 600 spiral balance. I think this might match what you have but just make sure the diameter of your outer tube is 5/8" or 9/16".
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