Extension Ladder Material Aluminum Industry Ladder Size 20 ft Extended Ladder Height 17 ft ANSI Type I Load Capacity 250 lb Adjustable Increments 12 in Bottom Width 18 3/4 in AE3200 Series Rail Type I-Beam Shoe Design Swivel Safety Includes Quicklatch Runglock System Outside Slide Gides Mar Resistant Rail End Caps Rope and Pulley. All The Necessary Warning Caution Danger and Instruction Labels Model/Duty Rating Label Rung Shape D-Rung Closed Height 10 ft Section Length 10 ft