Window channel balance

A quick learner from California says:
November 12, 2021
Looking for replacement window balance. It has markings 26 4 GX CMC 7, please tell me what is the correct top and bottom guide so I can order the right replacement.

Thank you!!!

This whole thing is 27 inches from metal to metal.
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Lauren from SWISCO responded:
November 16, 2021

Hello, thank you for posting! 

With this combination of attachments, you could have either an S380 or S385 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 will need a 27" balance with a stamp option of 2640. 

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
Please let me know if you have any questions! 
27" Series 380 Channel Balance
27" Series 380 Channel Balance
S380-27
$10.55
27" Series 385 Channel Balance
27" Series 385 Channel Balance
S385-27
$10.55
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