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.
A quick learner says:
May 18, 2015
Windows tilt, balance is a plain channel. Typo above, spring is 12 1/8" tip to tip.
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.