... . Pipe diameter: 38mm, 51mm or 63mm4. Base cover: Stainless steel, Coniform or flat;5. Ballast base: Caster iron or metal galvanized filling ... concrete; diameter is 320mm or 350mm;6. Rubber ring: preventing base from abrading effectively.7. Belt: Velert, nylon, Color optional, Length ... , Gymnasium, Warehouse, Plant and so on, generally speaking, could be used at all public places.