Alternating Tread Stairs Walk-Thru Included Yes Overall Height 8 ft. Overall Width 23-1/2 In. Material Steel Load Capacity 350 lb. Ladder Height 8 ft. Number of Rungs 11 Span 46-1/2 In. Stair Angle 68 Degrees Stair Width 9 In. Tread Raised Perforations Tread Depth 10-1/2 In. Top Step Height 8 ft. Finish Yellow Powder Coat Standards OSHA