Channel balance id

A quick learner from USA says:
What channel balance can replace this?
User submitted photo of their window hardware.
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Paul from SWISCO responded:
Thanks for posting. It looks like you have a unique balance with a 19-039 top and either our 15-001 or 15-002 bottom. Can you confirm this configuration? If so, we can custom make this for you, but I will need you to confirm the number printed on your metal channel. I can't quite make it out.
A quick learner from USA says:
Hello the number on the balance is 2910
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Paul from SWISCO responded:
Perfect, thanks. That means you have a 30" long channel, as well. Are you also able to tell me if you have either the 15-001 or 15-002? You will need to measure your shoe to confirm the better match.

Aside from that, all I need to know is how many you need and we can get started.
How to Replace a Channel Balance Attachment
How to Replace a Channel Balance Attachment
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