Attempting to idetify the following window counter balancer on a non-tilt windo

A home owner from Florida says:
Good Morning,

I'm looking for the following part for a kinco inc single hung non-tilt window stamped with (90-2) . Sash is in perfect condition but the plastic tabs that hold the window balancer in place are completely broken off. I need 4 I believe they are 9/16 (28.5-29 inches tall).
User submitted photos of a window balance.
A quick learner from USA says:
Possible window balancer identification
Profile picture of Paul
Paul from SWISCO responded:
Thanks for contacting us. Based on these pictures, I would recommend our Series 390 channel balance. Just make sure that your nylon attachments are the same.
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