Description Description: Material: The boat trailer roller is made of quality nylon material, which is sturdy and wear resistant, lightweight, long service time Easy to Use: The boat trailer bow is easy to install, Installation does not require complicated steps, easy to use, improves your work efficiency Strong Bearing Capacity: The 2 inch boat trailer roller bow stop has a very good load bearing capacity, allowing the bow roller to support your bed smoothly High Performance: Professional manufacturing boat trailer roller, sturdy and stable performance Directly Replace: Directly replace the old or broken boat trailer roller Specification: Material: Nylon Size Chart: 5 cmx5cm inchx1.97/1.97 inch Hole Diameter: 1.2cm/0.47in Package Includes: 1xBoat Trailer Roller(4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.