This Featherlite 24 foot aluminum extension ladder has a 225 lb load capacity, rated CSA GRADE II. 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 includes the patented QuickLatch RungLock system that provides a simple, intuitive method of securing the fly and base sections of the ladder when extended. It also features D-shape rungs fully serrated for a slip resistant surface, mar resistant rail end caps, and slip resistant swivel safety shoes. The Featherlite 2224 aluminum extension ladder meets or exceeds the safety standards set by CSA, CSA, and OSHA.