Supports cable on straight runs. Made of 1-1/2 x 3/8 in. (38 x 8mm) 16 ga tubular steel with a painted or plated finish. Nominal installed length is 10 ft. (3.05 m). Each section is 9 ft. 11-1/2 in. (3.03m) long with cross members welded at 9 in. (229mm)