Featherlites top of the line ladder for demanding industrial use. Extra heavy duty non-conductive C channel side rails in high visibility safety orange. Super tough copolymer utility top for strength and durability. Wide 3 slip-resistant serrated aluminum steps for safe climbing. Inside spreader arms complete with wrap-around sleeves that strengthen spreader-to-rail connection and protect spreader arms during storage/loading/transit. Each step is quad braced with Zinc coated steel diagonal braces providing incredible strength and stiffness. Full rear "L horizontal struts reinforced with Zinc coated steel diagonal braces offer maximum rigidity. Extra large PVC rubber safety boots are heavy duty and provide increased rail protection and slip-resistance. Warranty: one year against manufacturer defect.