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Casey from SWISCO responded:
March 30, 2021
With this combination of attachments, you could have either an S380-31 or S385-31 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. There is a chart on the product page that explains how to choose your option based on the sash weight. As for the take-out clip in your last photo, see our 16-002. 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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Casey from SWISCO responded:
April 12, 2021
We appreciate your patience as we worked on this for you. We just sent over an order link and price quote for the balances you've requested with a 3070 strength option, which will support a window sash between 35 through and including 42 lbs. Take a look and let us know if you need anything else! |
