I have two (2) balances that are in need of replacement. The attached photos are of the first. It is 1/2" wide and 28" long (metal to metal). The sash weighs 35 lbs. I am in need of 4 of these.
Thank you,
Bill
This is the second of two of my balance needs. This one is 1/2" wide and 28" long. The sash weighs 25lbs, I need 6 of these. I also need 4 upper clips
Bill
Along with the balances, I need 4 upper clips. the clip is 1 3/16" long.
Bill
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Casey from SWISCO responded:
October 12, 2022
Hello, With this combination of attachments, you could have either an S380-28 or S385-28 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 need 2765 spring strength options for your replacement balances that support a 35-pounds sash. The balances that support a 25-pound sash will require 2740 strength options. As for your take-out clips, see the 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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