"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. Steps qty. 13, OSHA Approved Yes, Degree of Angle 56 step angle, Safety Chain Included Yes 2, Step Depth in. 10 1/2 excluding top step, Top Width in. 23 1/2, Top Step Height in. 96, Dimensions L x W x H in. 68 7/8 x 23 1/2 x 138 1/8, Rail Height in. 18, Step Type Steel steps w/raised surfaces, Base Size W x D in. 23 1/2 x 68 7/8, Finish Type Yellow powder-coat, Material Type Welded steel, Step Width in. 9 1/8, Portable or Stationary Stationary. 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"