... *height 4.Column spacing: 2-4m Corrugated beam barrier:1.Name:corrugated beam barrierhighway guardrail2.Material: galvanized steel sheet 3. ... .5.Surface treatment: powder coated6.Features: Great corrosion resistant, high intensity, long and durable, easy for installation.7.Post types ... , U.S., AS/NZS, etc.10.Main Types:(1)W-Beam(2) workshop :(3)installationHaotian Hardware Wire Mesh Products Co.,LtdAdd ...