Size: Two-wave and three-wave Length: 4.32m, 3.32m and 2.32m Thickness: 3.0mm, zinc coating: 40-60 um, for standard project service. 4.0mm, zinc coating: 85um, for security project service. Galvanized Guardrail Plate Material: Zinc Thickness of coating: 3.0mm, zinc coating: 40-60 um 4.0mm, zinc coating: 85um PE Painted Guardrail Plate Material: Polyester Thickness of painting: ≥ 76um Surface: Smooth, clear color, Pinhole test: No spark under 1500V Column Diameter: 114mm for 3.0mm guardrail plate 140mm for 4.0mm guardrail plate Beacon: Buried and drived Splicing hole: 20mmx30mm Connecting hole: 18mmx50mm We can also produce according to customers' drawings and requirements