Extension Ladder Material Aluminum Industry Ladder Size 40 ft Extended Ladder Height 35 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 20 ft Section Length 20 ft Net Weight 89.5 lb Rung/Step Spacing 12 in