Pennco window parts

A home owner from USA says:
Need help in identifying this double hung vinyl PENNCO window balances and pivot shoes.Manufactured in 1999
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello! Thanks for posting. I would be happy to help, but I need more information. I can see the shoe, which resembles our 15-105, though I'm not sure if the dimensions match up. How do they look to you?

As for the balance, can you show me a picture of one removed? Can you also tell me the weight of your window sash? Finally, for the trickier part, I'd like to see your pivot bar. You see, I'm not sure if your current pivot bar will fit in our 15-105, so I'd like to see it to confirm. Thank you!
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