Curved Type Bollard Curved type bollard is only one type of mooring bollards. We provide a large range of other marine bollards such as horn type bollard, kidney shaped bollard, T-head bollard, R type bollard, single bitt bollard, double bitt bollard, dock cleats and other standard type bollards. If you have special requirements about the bollards, we can produce the products according to your drawings. For more information, please feel free to contact us. Features of Curved Type Bollard 1. Bollard Capacity: 5 to 100 tonnes; 2. Nominal Weight: 70 to 1670kg; 3. Material: cast steel, cast iron; 4. Size: depend on customer’s requirement; 5. Surface: black bitumen paint; 6. Certificate: CCS,ABS,GL,BV etc. 7. Supply customized products