The metal channel is 33". The width of the channel is 9/16". The shoe 1-1/8" not 1".
Felix
Emily from SWISCO responded:
June 30, 2021
Hi, Felix. With this combination of attachments, you could have either an S380-33 or S385-33 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 3240. If you have any further questions just let us know. Comparison of the S380 and S385 balance shoes.
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