Coil balances that fit my pivot shoe?

A handy person says:
Hi there!

Do you know where I can find coils for this? I haven't been able to find them anywhere. Both have snapped in my window. My shoe is nearly identical aside from a hole for where the window goes in. Thanks for your help!
User submitted photo of their coil balance shoe.
Profile picture of Paul
Paul from SWISCO responded:
This style is no longer made. The closest replace would be our S152 coil balance system.
A handy person from Maryland says:
Thanks for the help! One more question. Should I assume that the 6 in a box on the coil means I need a 6 lbs coil to replace it? I tried taking a picture but it was a bit difficult.
User submitted photo of their coil.
Profile picture of Paul
Paul from SWISCO responded:
Use the 15-158 pivot shoe and the S152-6 coil. You should be able to reuse your other parts.
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