Window Part identification

A home owner from USA says:
This came out of my vinyl window. The balance was a 16B I need a 1/2 dozen balances and a dozen of these tabs.
I have enclosed photo of balance.
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Check out our Series 770 channel balances and 15-129 pivot shoe and let me know how well this hardware matches your own.
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