need 2 window balances with 28-3 stamp
Casey from SWISCO responded:
November 30, 2023
Hello, With this combination of attachments, you could have either the 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 2830 spring strength options for your replacement balances. If you need new take-out clips as well, take a look and compare the 16-002 to one of your clips. 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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