Cotterman® Easy 50® easy climbing steel rolling ladder is 450-lb. load rated. Features a 50° climb angle for easy descent. 7"D treads, 24"D top step. Expanded metal, open tread step design prevents debris buildup in all applications. Equipped with foot-activated lock step. Delrin® bearing casters. Gray powder-coated finish. Ship assembled. Meet OSHA and ANSI standards.Note: A Cal/OSHA compliant unit may be substituted for ship to addresses into the State of California.