I am looking for unique 28-0-40 can you check product code please !
Casey from SWISCO responded:
October 27, 2020
Hello, Your balance looks like it has wings on both top and bottom attachments. If so, you could have either an S380-29 or S385-29 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 2840 spring strength options for your replacement balances. Thank you and let us know if you have any other questions or concerns. Comparison of the S380 and S385 balance shoes.
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