3/8" x 7/16" channel balance

A contractor from Rockwell North Carolina says:
3/8" x 7/16" channel balance 28" long
Thumbnail of the uploaded file named 28C
Profile picture of Tom
Tom from SWISCO responded:

Thanks for posting. It's tough to tell what you have based on just the stamp, but I think this might be our S800-29. Can you confirm? Look over our information to let me know what you think.

I would double check the length of the metal channel. With a stamp of 28C, it should be 29" long, not 28".

How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
How to replace a non-tilt channel balance
How to replace a non-tilt channel balance
GUIDE
READ >
Choosing a Non-tilt Channel Balance: What Will We Need?
Choosing a Non-tilt Channel Balance: What Will We Need?
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.