Double Bitt Double bitt bollard, namely bollard that having two pillars, has different shapes due to its different dock structures, berthing capacity or decorative purpose. Double bitt bollard can be made by casting steel or casting iron. The material, surface paint, dimensions etc. are determined by customers themselves. We can customized products according to customer’s drawing. Other types of bollards such as single bitt bollard, cross bollards, kidney type bollard, horn type bollard, T type bollard, welding bollard are available. For more information, please feel free to contact us.