Extension Ladder Material Fiberglass Industry Ladder Size 20 ft Extended Ladder Height 20 ft ANSI Type IAA Load Capacity 375 lb Adjustable Increments 12 in Bottom Width 18 in HyperLite Series Rail Type Non Conductive Shoe Design Sure-Set(TM) Rung Shape Step Closed Height 10 ft 8 in Section Length 10 ft Rung/Step Spacing 12 in