I?m looking for window balances with the same design as yours with sizes 3830 and up, please let me know, thanks!
Casey from SWISCO responded:
May 25, 2018
Hello, it appears you have an S395-39 balance, but you'll have to do a bit of measuring to double check. The S395-39 comes with our 15-001 shoe attachment and 19-005 top attachment. You'll need to measure both of your attachments to determine if this is a match. Let us know what you think.