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Casey from SWISCO responded:
January 31, 2023
Hello, We'd be happy to look into this for you but we would need to see the fitting attached to the opposite end for the balance as well to confirm the correct replacement. If both fittings are winged and the bottom fitting shown in your photos measures exactly 1" deep as shown below, I agree that the S380 would be the correct match. You would use the balance stamps to choose the corresponding strength option for each length. For example, your 17" balances would require 1630 strength options. As for your top sash guide, we would need to see an undamaged version of yours uninstalled, along with written-out dimensions, to determine fi the 18-015 would be the best match. Thank you. 
Comparison of the S380 and S385 balance shoes.
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Hello Casey,
first photo is the top fitting off the balance and the brown piece is the top sash guide which measurements match that of your "alternate view of 18-015 PGT sash guide" mine of course are brown. 15/16" wide at top; 13/16" wide bottom; inset is 5/8"wide; oblong hole is 3/16" from top to bottom; guide length from top to bottom of beveled edge is 1-9/16";width of side top is 5/8"; bottom side width is 1/4"
second photo is 3 different angles of the top fitting; all have wings
the bottom fitting is 1" deep
thank you for looking at all this for me.
Sincerely, Lou
![How to Replace a Top Sash Guide [1080p]](../../images/videoThumbnails/107.jpg)
