Non tilt counter balance brakes or shoe

A landlord from Buffalo NY says:
These parts are in the the vinyl jam liners on a helicoil spring. They are different on the fixed side as opposed to the tension side. I do have additional photos
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Paul from SWISCO responded:

Thanks for writing in. You might have the Crestline wood window clutch set, the 20-006, that attaches to the window spring. Please review and let us know what you think.

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