Ladder, 16 ft.H, 18-1/8 In W, Aluminum Price For: Each Rung Spacing: 12" Ladder Height: 16 ft. Number of Rungs: 16 Standards: ANSI A14.5 (2007), OSHA Overall Width: 18-1/8" Load Capacity: 300 lb. ANSI Type: IA Material: Aluminum Rung Shape: D-Rung Item: Straight Ladder Rung Width: 1-3/4" Rung Dia.: 1-3/4" Top to Bottom Rung: 15 ft. Country of Origin (subject to change): Mexico