Jasmine from SWISCO responded:
November 30, 2023
Hey there, Thanks for writing in! Your balances are either the S380-35 with a 1" shoe or the S385-35 with a 1-3/32" shoe. To determine which series is needed for your window, look over the dimensions from the diagram below to confirm the depth of your bottom shoe. There is a chance that it could measure 7/8". If so, please let me know as these will need to be a custom assembly. You'll need to select the 3440 stamp. Comparison of the S380 and S385 balance shoes.
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