Casey from SWISCO responded:
February 20, 2023
With this combination of attachments, you could have either the S380-21 or S385-21 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 2040 spring strength options for your replacement balances. As for the take-out clips, take a look and compare the 16-002 to your part. Thank you and let us know if you have any other questions or concerns. Comparison of the S380 and S385 balance shoes.
Alternate image for 16-002
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