Channel is 1/2". Metal part is 28". My ends have no wings. Depth of bottom is 1 1/8". Ink stamp is 28 3 Caldwell FM.
Whaddya think? You've helped me before, I hope we can do biz again.
Thanks, Joe
Tom from SWISCO responded:
August 15, 2018
Hi, Joe! Thanks for the thorough info! This is our S390-28 (assuming a 1-1/8" shoe). "28 3" is an old stamp option, which has been replaced by the "2830."