"I" shaped balance

A contractor from Tennessee says:
Hello
We have a customer that is needing these balances but we're not sure what kind they are or where to get them any suggestions?
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Tom from SWISCO responded:

Thanks for your patience during the holiday season. I wanted to let you know that we're still looking into this balance. We don't have an exact match in our inventory, but we're trying our best to find something that can work for you. Please bear with us a little longer as we explore all available options.

A contractor from Tennessee says:
Okay, thank you!
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Tom from SWISCO responded:

Hello again! After looking into this, I believe you can use our 15-251 single spring support along with an S160-10 coil spring (sold separately). The design of the 15-251 is a little different compared to yours but I think it will still work the same way.

You should also check to see if you will need the top coil spring mounting clip, which should look something like our 16-032.

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