Help me identify this part

A home owner from USA says:

Help me identify this part. I need 2 of them, tilt window pivot lock shoes I believe, the full mechanism, both top and bottom pieces to fix both sides of a window.

https://www.swisco.com/cl/Tilt-Window-Replacement-Pivot-Lock-Shoes

Thank you

John

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Bob from SWISCO responded:

Hey John. This looks like a 15-087 Pivot Shoe, which uses Series 180 Coil Balances. Please provide the exact weight of the window sash if you're uncertain of the spring weights you need. Also, can I see the pivot bar that fits into this coil balance's cam? Ours has a slightly different shaped cam, so I want to ensure they're compatible. Many thanks.

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