Description: Material: This Mooring Cleat is made of marine grade 316 stainless steel, strong and sturdy, suitable for long term use in harsh marine environmentsDesign: The Single Cross design of the Bollard Cleat Mooring Bit is very stable, it can effectively secure boats and prevent them from moving due to waves tidal changesEasy Installation: The Boat Post Cross Bollard Mooring Bit can be easily installed on any type of boat, whether it's a yacht or a speedboatEasy Maintenance: Maintenance of this 316 Stainless Steel Bollard with Base Plate is simple; regular cleaning and lubrication are all that's needed, significantly extending its lifespanApplication: Our Bollards Boating Hardware is not only suitable for private use but also ideal for commercial docks, providing maximum safe and convenience Specification: 15.3cmx12.2cmx17.2cm/6.02inchx4.80inchx6.77inchScrew Hole Inner Diameter: 8.5cm/3.35inch Package Includes: 1Mooring Cleat Note: Please allow slightly errors 1-2cm differences due to manual measurement.