Rectangular plastic window part

A handy person from Nj says:
I have single tilt widows and these pieces broke i believe this it the end on the sash support with the rectangle inside the circle it closely resembles a 900 series you carry i would also like to replace the sash supports as well
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
I don't recognize this part. Is there any way I can see an undamaged version of it? Can you also give detailed dimensions? Finally, can I see a few pictures of the balance itself? Thanks!
A handy person says:
Here are some updated photos also i stand corrected they are actually double tilt windows also i came across a sticker from the windows
User submitted photos of a spiral window balance.
User submitted photos of a spiral window balance.
Profile picture of Paul
Paul from SWISCO responded:
I see it. I suggest our 15-046. How well do its dimensions match your shoe? You will also need our 75-006 charging tool to unhook your balance and reinstall the new pivot shoe.
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