A quick learner from Wasilla ,Alaska says:
April 1, 2014
milguard 2660gg tsb rolled edge 27" shaft 9/16 wide ,sorry about bad pictures
Tom from SWISCO responded:
April 2, 2014
Hey, thanks for posting. Your pictures are perfect! I recommend you look at our S385-27 channel balance and see how well this matches your hardware. Based on your measurements, this is the best replacement I could find.