spiral sash balance rod?

A quick learner from Durand, Michigan says:
I need 1 of these, please. Hopefully better quality. The channel that it has to fit into is 1+1/4 inches wide and 9/16 inches deep. Thank you
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, good to see you again. This looks a lot like our S600-29 spiral balance. Do you agree? However, before you purchase anything, you should consider that this balance may just need to be recharged a bit. Check out our 75-006 charging tool and read the guide below.
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