This is the ultimate steel rolling ladder in safety, appearance, & construction. 1" diameter steel tube construction ruggedly braced and reinforced. Standard 12" deep top platform. Solid mig-welded construction. BIG non-skid, non-marking shoes. StepJack Floor Locking device. OSHA Safety Green enamel finish. Meets or exceeds CAL/OSHA requirements. Meets Federal OSHA/ANSI requirements. All models listed have a 350 lb. capacity. There are various optional features and customization available. Call 800-404-7225 if you are interested in a custom Steel Rolling Ladder. *Availability Varies*