Louisville Ladder AM1006 300-Pound Duty Rating Aluminum Twin Front Step Ladder, 6-Foot 300-Pound, load capacity, includes weight of user and tools Four key stress areas are reinforced withsteel plates to prolong ladder life Heavy gauge steel hinges, heavy duty hinge assembly design exceeds industry standards for maximum durability Aluminum angle feet with thick rubber tread on all four legs to provide sure footing The ladder meets or exceeds the safety standards set by ANSI and OSHA