I can't find the replacment for 26E BSI Window Balance

A home owner from Hugo, MN says:
I am looking for a complete replacement window balance for a vinyl tilt window. The balance has a 26 inch U shaped channel and is marked with "26E BSI". I can't seem to find a replacement anywhere. The balance comes from a window installed approximately 12 years ago in a new construction town-home. I'll need at least 2 of these.

Thanks,
Matt
A home owner from Hugo, MN says:
Some pictures of the base, number stamp and pulley.
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! This looks like our S795-26, however your stamp indicates a spring that is a little extra-strength. We added it online for you to purchase, however it will be some time before they are available to send out. You can order whenever you wish, but I will also let you know when we have them!
Profile picture of Casey
Casey from SWISCO responded:
Hi Matt,
The S795-26 with stamp option 26E is now available!
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