"Rated to 300 lbs., this Cotterman steel office ladder is designed with one-piece welded construction to meet or exceed OSHA standards. Easy-rolling spring-loaded casters provide quick start and stop mobility. Steps are rubber-matted for sure footing. U.S.A. Capacity lbs. 300, Caster Type Spring-loaded, Dimensions W x D x H in. 24 x 27 x 27, Steps qty. 3, Material Type Welded steel, Top Step Height in. 27, Step Type Rubber matted, Base Size W x D in. 24 x 27, OSHA Approved Yes. No handrails"