Can you identify these Channel Balances?

A quick learner says:
I took several pics of my channel counter balancers, probably more than needed. I also looked at your web page and beleive this is a series 390. So you know, this is 1/2 wide and 27" long. The number stamped on it is 2630.

Can you please help me confirm the correct series number for these balancers? Let me know if more pics will be needed to help.

Thanks in advance.
User submitted of channel balance with shoes
Profile picture of Donna
Donna from SWISCO responded:
Hi Paul,
This is our series 385 replacement balance. Order S385-27 with the option 2630.
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