Stair Unit Material Steel Number of Steps 9 Handrails Included Yes Load Capacity 450 lb Climbing Angle 45 Degrees Step Tread Perforated Step Width 24 in Step Depth 10 in Base Depth 86 1/2 in Overall Height 123 1/2 in Color Gray Standards OSHA and ANSI Manufacturers Warranty Length 1 yr Overall Width 29 in