Channel Block & Tackle Window Balance

A home owner from Florida says:
March 6, 2021
The only markings on the part are:

36 5 GW CMC 11

It is 37 inches tall with a winged off-white plastic top guide and a non-winged off-white plastic bottom guide, circa 2004.
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Bob from SWISCO responded:
March 8, 2021

I am confident we can help, but can you show me pictures of the nylon fittings on either end of the metal channel, preferably without the balance out of the window? Seeing their exact shape is crucial for identification. Many thanks. 
A home owner from Florida says:
March 8, 2021
submitting a pic of top and bottom fittings
Thumbnail of the uploaded file named IMG_0787.jpg
Thumbnail of the uploaded file named IMG_0788.jpg
Profile picture of Bob
Bob from SWISCO responded:
March 9, 2021

Perfect, thanks. See our S395-37 Channel Balance. You will need a stamp option of 3650. 
37" Series 395 Channel Balance
37" Series 395 Channel Balance
S395-37
$13.34
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