Window Shoe - Looks like it has the letter B on the copper spring

A quick learner from West Deptford, NJ says:
September 27, 2016
I'm looking for replacement parts for the attached Window Shoe. I bought the home this past year and am unsure of the brand of windows. I tried to check for a label, but all I could find was a yellow label that was faded and unreadable.
User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
September 30, 2016
Hello! Please see our 15-175 pivot shoe. This appears to match your hardware quite well. I would just make sure the dimensions match.
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