Searching for 26 5 EW CMC 9

A quick learner says:
Hello, I am asking about what I need to order for the following numbers I see on the window balancer. (26 5 EW CMC 9) I need two of them one for the left and one for the right.

28 inch.
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Emily from SWISCO responded:

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. Take a look at the video below, it'll go over exactly what we'll need to see.

A contractor from Tennessee says:
Here is the picture you requested.
Thumbnail of the uploaded file named 79964.jpeg
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Emily from SWISCO responded:

Thanks for the additional picture! 

It looks like your top and bottom attachments have "wings". In that case, you could have either an S380-27 or S385-27 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. You'll also need a spring strength option of 2650.

If you have any further questions just let us know! 

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
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