"This curved Vestil galvanized guard rail protects personnel and equipment both visually and physically. U.S.A. Outside Diameter in. 4 5/8, Mounting Hardware Included No sold w/mounting posts, Overall Height in. 12, Includes 1 Guard rail, Material Type Steel, Length in. 48, Finish Type Galvanized, Application Guard rail, Adjustable No, OSHA Approved Yes. Curved Rail 30 1/2in. radius Requires 2 mounting posts Economical systems can be utilized indoors or outdoors Ideal for protecting corners of buildings and machinery from fork truck and vehicle damage Choose between one, two, or three rail high systems Tubular posts are machined for continuous or perpendicular rail mounting Rail mounting hardware included with post Floor mounting kit sold separately"