This Featherlite 16 foot lightweight aluminum platform ladder has a 300 lb load capacity, rated CSA GRADE IA. This ladder is designed with heavy duty side rails and reinforcement at all critical wear points to meet the most demanding industrial and contractor applications. It features a slim gapless slip-resistant platform with a top rail guard, heavy duty gusset bracing, angled aluminum slip-resistant rubber feet, and double-rivet step construction. The Featherlite 3516 platform Step Ladder meets or exceeds the safety standards set by CSA, CSA, and OSHA.