Sturdy, galvanized steel constructionHelps prevent falls on scaffolding structuresEasy to install with precision stamped ends This 5 ft. Safety Guard Rail is used with MetalTech guardrail posts (M-MGPUSL) for safety and security on exterior scaffolding structures. A minimum of two guardrails (upper and midrail) must be installed on each side of the scaffold. Guardrails must be installed along the perimeter of all scaffold structures of a height of 10 ft. or more to prevent accidental falls.1 in. O.D. galvanized steel tube, 16-Gauge, for lasting durabilityPrecision stamped ends are flattened and hole-punched for easy installationUse with MetalTech guard rail post and wedge clamp support (M-MGPUSL)Exceeds OSHA requirements for safety