11 3 balance

A quick learner from Santa Clara CA says:
My balance has 11 3 written on it and the channel length (excluding the accessories) is 12".
Please help identify.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hello! We should be able to help, though this balance will need to be custom made. Can you just tell me how many you need? Once I know that, I can send you a price quote and a special link you can use to place an order. Thanks!
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