"Vestil alternating-tread stairs have a unique design that offers a shorter span than traditional steps. Ships knockdown for lower freight costs. U.S.A. Top Width in. 23 1/2, Step Depth in. 10 1/2 excluding top step, Safety Chain Included Yes 2, Top Step Height in. 96, Step Width in. 9 1/8, OSHA Approved Yes, Rail Height in. 18, Steps qty. 13, Base Size W x D in. 23 1/2 x 68 7/8, Degree of Angle 56, Step Type Steel steps w/raised surfaces, Capacity lbs. 350, Material Type Welded steel, Dimensions L x W x H in. 68 7/8 x 23 1/2 x 138 1/8, Finish Type Yellow powder-coat. Alternating-tread step design offers a shorter span than traditional steps Welded steel construction with bolt-on handrails Handrail on each side of unit for safety Includes dual safety chain at the top of the stairs Formed steel steps with raised surfaces for better traction Powder-coated safety yellow finish Ships knockdown for lower freight costs"