This Louisville 16 ft fiberglass extension ladder has a 250 lb load capacity, rated ANSI type I. It is equipped with the maxlock rung lock, custom engineered from a patented, advanced molecular polymer, maxlock is the strongest, toughest, lightest rung lock ever made. This ladder also includes the patented quicklatch runglock system that provides a simple, intuitive method of securing the fly and base sections of the ladder when extended. The ladder features outside slide guides, D-shaped rungs fully serrated for a slip-resistant surface, non-marring rail end caps and steel swivel safety shoes with metal shield to be used with the tread down or in-spike position.