Hot-dipped Galvanized Crowd Control barrier, 1.stainless steel material, 2.zinc or cast iron base, 3.size:350x63x910mm Hot-dipped Galvanized Crowd Control barrier, 1. Pipe Materials: ... base: rubber filling up sands, caster iron or metal galvanized filling up concrete; diameter is 320mm or 350mm ... : Velert, nylon or PP, Color optional, Length is 2m, 3m, 5m or up to customer; Information of customer ...