Vinyl window wont stay up

A quick learner from Delran, New Jersey says:
The spring balances seem to be fine. I just need new shoes and a way to connect them to the balances. Or if I can find a 1/2" balance with attached shoes, that would also be helpful
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Bob from SWISCO responded:

Check out our 15-236 Spring T-Lock Shoe. Look over the dimensions and see if you think this could work for you. 

Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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