Do you have this coil balance system?

A handy person from USA says:
Do you have the parts in the following pictures,

Not sure of window maker, This is the numbers that I seen on the part


User submitted photos of a coil balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Ken. That pivot shoe looks a lot like our 15-155. Take a look and tell me if you agree. If so, then you should also consider our Series 170 and Series 171 coil springs.
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