Twin Stepladder, Material Fiberglass, ANSI Type IAA, Ladder Height 12 ft, Load Capacity 375 lb, Number of Steps 11, Base Spread 96.8 in, Bottom Width 31 3/4 in, Step Depth 3 in, Step Tread Ribbed, Series FM1400HD, Standards ANSI, OSHA Compliant, Rung/Step Spacing 12 in