Extension Ladder Material Fiberglass Industry Ladder Size 20 ft Extended Ladder Height 17 ft ANSI Type IAA Load Capacity 375 lb Adjustable Increments 12 in Bottom Width 17 3/8 in DXL3420 Series Rail Type Non Conductive Shoe Design Aluminum/Rubber Includes Professional Non-marring end caps. 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 Net Weight 50.5 lb Rung/Step Spacing 12 in