1 square-tube technology is more abuse-resistant than conventional round tube design. Welded subassemblies provide superior strength. 4 casters and exclusive Ezy-Lock® system, which plants ladder legs firmly to the floor when pressure is applied to the bottom step. Top step is 14 deep.Grip Strut® tread for slip resistant footing. HEIGHT TO TOP STEP/PLATFORM RANGE. EGA Steel Industrial Rolling Ladder 7-Step 26 Wide Grip Strut-450lb. Cap" is in sale since Monday, March 19, 2018. This item is in the category "Business & Industrial\Material Handling\Ladders, Scaffolding & Platforms\Rolling Ladders & Scaffolds". The seller is "y2-supply2013" and is located in USA. This item can be shipped to United States.