Extension Ladder Material Aluminum Industry Ladder Size 20 ft Extended Ladder Height 17 ft ANSI Type IA Load Capacity 300 lb Adjustable Increments 12 in Bottom Width 18 in D1500-2 Series Rail Type I-Beam Shoe Design Dual Action Shu-Lok(R) Includes Mar Resistant End Caps Rung Shape D-Rung Closed Height 10 ft Section Length 10 ft Net Weight 37 lb Rung/Step Spacing 12 in