Extension Ladder Material Aluminum Industry Ladder Size 24 ft Extended Ladder Height 21 ft ANSI Type I Load Capacity 250 lb Adjustable Increments 12 in Bottom Width 17 1/2 in D1300-2 Series Rail Type Aluminum Shoe Design Swivel Rung Shape D-Rung Closed Height 12 ft 6 in Section Length 12 ft Net Weight 40 lb Rung/Step Spacing 12 in