Double hung window balance

A quick learner says:
May 15, 2015
26" long x 3/4" wide x 1/2" deep. Marking on the back 2601, IS8 LK. Spring was attached 1 5/16" from the end, in the 3rd hole. Sprint is 12 1'8" tip to tip.
User submitted a photo of a window balance.
A quick learner says:
May 18, 2015
Windows tilt, balance is a plain channel. Typo above, spring is 12 1/8" tip to tip.
Profile picture of Paul
Paul from SWISCO responded:
May 18, 2015
Thanks for posting. Based on your pictures, I recommend our S770-26 channel balance with a 26D stamp option. Please review this information and let me know if you agree.
26" Series 770 Balance
26" Series 770 Balance
S770-26
$12.59
How to replace a tilt-window channel balance.
How to replace a tilt-window channel balance.
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