Metal channel is 26 inches long. Markings on metal "25 4 HV CMC 7"
A handy person from California says:
August 1, 2019
Looking to replace the original balance for my windows. Thank you for your help.
Tom from SWISCO responded:
August 7, 2019
Thanks for your patience during this busy season. Based on these photos, I think our S385-26 is a good place to start. This comes with a 19-005 top and 15-004 bottom nylon fitting, so as long as those match up then you should be good to go!