sash Balance brake double hung vinyl windows

A home owner says:

I need help identifying this brake. My windows wont stay open the required 6" and I believe my brakes are worn.

Please help
User submitted photos of a pivot shoe.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Chris. This appears similar to our 15-195, but this kind of hardware doesn't act as a brake, it's just a shoe. If your windows can't stay up, then it's likely because of the balance spring itself. The whole balance may need to be replaced. In this instance, I recommend that you consider our Series 795 channel balance as a possible replacement. What do you think?
A quick learner says:
I Believe your right. Ill see if I can adjust the cams before I try replacement. Thanks for your help
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