Eaton B-Line series strut channel, 0.81″ H x 10 ft. L x 1.62″ W, Steel, Galvanized, SH, 14 ga.

B54SH Series pre-galvanized 14 ga. steel 1-5/8 x 13/16 in. channel with 9/16 x 1-1/8 in. elongated holes on 2 in. centers, length 10 ft.