Window replacement part

Home Owner from Oregon
Hello,

I don't know what this part is called, but the torsion spring is connected to a pulley/cable like thing. The cable is broken and we need to replace this part. Could you let me know what the name of this part is called?
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Casey
Casey from SWISCO
SWISCO
Expert

Hello,

This is called a channel balance that is responsible for supporting the weight of the window sash when it's open. We should be able to replace these for you but we will need to see the attachment on the opposite end of the metal channel, as well as the stamp on the channel itself. 

Also, we do not recommend trying to repair the pulley because these balances are under a lot of tension and can be dangerous if you attempt to repair or alter it. Thank you!

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