1 Highway W Beam guardrail 2 4320*310*85*3/4mm 3 C ... Bolts and nuts,end, spacer, cat eyes 5 Gal Guardrail & W BeamWhere Guard Rail Should Be Installed Interstates, ... against auto theft where fences have failed.W-Beam GuardRail / BenefitsIn most situations, we recommend the use of ... for safety, strength, durability, and cost effectiveness.Constructed of high-strength 12 gauge (Class A) or 10 gauge ( ...