Trying to locate replacement Pivot Lock Shoe

A home owner from Metairie, LA says:
I am trying to locate replacement Pivot Lock Shoes for vinyl windows that are about 12 years old. I attached a couple of photo's with the spring still attached to the shoe. The dimensions are approximately: 1 7/16" x 1 1/4" x 9/16".

Please let me know what you may have available that I can try as a replacement. I have 14 windows with at least one-third or more requiring replacement.

I cannot locate any markings and labels are faded.
User submitted photos of a coil balance.
Profile picture of Paul
Paul from SWISCO responded:
Good afternoon, Jerry, thanks for posting. Take a look at our 15-175 Pivot Shoe and Series 152 coil spring. You should also consider SWISCO part numbers 15-144 and 15-145.
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