"This Vestil galvanized guard rail protects personnel and equipment both visually and physically. Includes 1 Guard rail, Finish Type Galvanized, Mounting Hardware Included No sold w/mounting posts, Material Type Steel, OSHA Approved Yes, Length in. 144, Overall Height in. 12, Outside Diameter in. 4 5/8, Adjustable No, Application Physically protect personnel and equipment. Requires 3 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 US D.O.T. guard rail mounting and I-beam posts available, contact factory"