LITE Aluminum Extension Ladder - 20Ft., 225-Lb. Capacity, Grade 2/Type II, Mo... Sturdy Grade 2/Type II channel design ladder Reinforced aluminum side rails provide stability and resist flex Wide base stance combines with self-leveling, slip-resistant swivel feet to secure the ladder on uneven ground Slip-resistant D-shaped rungs offer a safe, more comfortable stance that reduces fatigue Quick set ladder snaps into auto positions for a more positive lock