Manhole Ladder Ladder Height 12 ft Overall Width 12 3/8 in Material Fiberglass Load Capacity 375 lb Number of Rungs 12 Top to Bottom Rung 11 ft Rung Dia 1 1/4 in Rung/Step Spacing 12 in Rung Width 12 1/8 in Top Step Height 8 ft Rung Shape Round Standards ANSI ANSI Type IAA Net Weight 28.0 lb