ACAN COIL SPRING BALANCE?

A landlord from Dover, NJ says:
Good Afternoon.

We operate a 90 unit Senior Housing complex in Dover, NJ. We have Acan Series 550 windows. (550-VH1-000-Fscr and 550-VH2-000-000 Fscr). We are told that this part is a Coil Spring Balance.

Can you please help identify and advise to the availability.
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Based on your photos, your shoe resembles our 15-111. For the springs, it depends on how thick yours are. I would recommend our Series 160 if they are 1/2" wide or the Series 165 if they are 3/8" wide.
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