Channel Balance part??

A home owner from Alexandria VA says:
26 4 CALDWELL CM printed on side
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Emily from SWISCO responded:

Hey there!

Thank you for your patience during this busy season. With this combination of attachments, 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 2640.

If you have any other 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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