Portable and removable the AQ-9000 features an extremely strong non-corrosive skeleton encased in a rigid PVC skin. All fasteners are 304 stainless steel, and the deck anchors are cast bronze for durability. The wheels are mounted to an impact-resistant nylon hub with gray non-marking treads. Handrails, made of pipe grade fluted PVC, are metal reinforced to provide excellent stability. The treads, platform and approach ramp are made from injection molded PVC with UV stabilizer. Safety strips on the 30" wide treads and the platform are a non-slip material. Ramp size: Overall width - 34", length - 155".