I Beam  

I Beams are mesured in width of bar and pounds per ft.

Size - lbs. per ft. - Length
 4" x 7.7 lb./ft. x 20'
4" x 7.7 lb./ft. x 40'
6" x12.5 lb./ft. x 20'
6" x12.5 lb./ft. x 40'
8" x18.4 lb./ft. x 20'
8" x18.4 lb./ft. x 40'

    QTY