... metal road barriers 4.easy assemble SpecificationNormal sizeSize2m*1.1m or as requestFrame20mm,25mm,32mm,40mm,42mm ... ,20mm&25mmO.DSpacing60mm,100mm,190mm&200mmFinishHot-dipped Galvanized,powder coatedFeetDetachedApplication:1. Traffic road control, Road isolation belt, Limit ... Public activities for crowd control 4. Temporary isolation Advantage:1. They are fully hot dipped galvanized after welding. 2 ...