Spiral spring balance shoe double hung till the vinyl window

A quick learner from Bloomfield NJ says:
1 15/16 x 17/32 X 1 9/32
User submitted photo of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
You have an old style pivot shoe. The new style is our 15-015. Check it out and see what you think. I also see that you bought our 15-046. This may also work, so try it in the window first.
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