CHANNEL BALANCE Identification Request

A home owner from Los Angeles says:
Hi,

The string in my channel balance snapped. I'd like some help in identifying the right channel balance. The metal part is 19 inches.

Also, it has the following markings: 18-5 G05 CMC 43

Thanks!
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Lauren from SWISCO responded:

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. 

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

You will need a 19" balance with stamp option 1850. Please let me know if you have any questions. 
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