The Articulating Pivot Pin Cap is designed to cover the Pivot Pin of an Articulating or Pivoting Hitch. It is used to shield the pivot pin from dirt, moisture, and debris that can lead to corrosion and damage.Attributes:• Provide 12 mounting holes of diameter 18mm• Manufactured to precise specifications and are built for durability and reliabilityApplications:The Articulating Pivot Pin Cap is used to prevent the accumulation of rust, and other contaminants on the Pivot Pin and contribute to smoother operation.