... use widely on the protection system of highway or bridge. H Post for Guardrail Size Available1. 120*55*4mm2. 120*22 ... :Thrie-beam, W-beamPost:I beam post, Sigma post, H beam post, Z post, C post, Tubular post ,Cylinder postFinish:Powder coated, Hot ... ,4MM or according to client’s requestCertification:ISO 9001-2000 H Post for Guardrail