Please help identify parts

A home owner from Chicago, Il says:
Please help identify these parts. Thank you.
Thumbnail of the uploaded file named IMG-20211013-132421-03.JPG
Thumbnail of the uploaded file named IMG-20211013-132421-04.JPG
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Emily from SWISCO responded:

Hello!

This looks like the 15-111 pivot shoe that's designed to use the 1/2" Series 160 coil springs. Compare our dimensions with yours to confirm this matches up to your old hardware.

A home owner from Chicago, Il says:
Thank you!
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