Size of channels

A handy person from California says:
November 2, 2021
I got 15" and 21" channels according to the size scale on your chart what would the item number be to order
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Emily from SWISCO responded:
November 5, 2021

Hi there!

We'd be happy to help but we'll need you to remove an undamaged balance with the end attachments intact to compare to our inventory.

Thank you!
18" Series 800 Channel Balance
18" Series 800 Channel Balance
S800-18
$29.02
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