A quick learner from Denver says:
September 24, 2016
The length of the metal on my balance is 36"'. The numbers if you can't read the picture are 86 35-2 EB5 CMC 1. The shoe dimension is close to 1-1/8" . The channel width is 1/2"
Paul from SWISCO responded:
September 28, 2016
Hello! Based on your picture, I recommend our S385-36 channel balance with a 3520 option. See what you think.