Highway guardrail:5990*160*42*6 mm Highway crash barrier (guardrail, W beam )1.Specification:5990*160*42*6 ... clients request4,Finish:hot dip galvanized5,The thickness of galvanized:70um6.The weight of finish:69.5 kg7.Certification: ... for highway guardrail such as C post, tubular post, circular post, sigma post separator, offset blocks, terminal ends, bracket, bolt etc. highway guardrail(galvanized)