Lange Machinery Dock Bollard is made of cast steel (JIS G5102), cast iron (JIS G5501), and ductile iron (JIS G5502). Bituminous paint is usually a preference of a customer. This bollard is custom made to satisfy you special requirements. Certifacation CCS, BV, ABS, GL, NK, etc. Is provided. Please contact Lily at marine mooring department for further information.