Introducing the MAMDAFAON 2.36inch Boat Trailer Black Molded Rubber Side Rail Roller end caps, designed to provide you with a secure and damage-free boating experience. These roller end caps are made from high-quality black rubber material, ensuring maximum durability and longevity. They measure 2.36 inch in diameter and 1.78 inch in height, with a 0.77 inch ID hole for easy installation. The end caps are designed to mount at the end of the side rail rollers, increasing the contact area between the boat and the rail rollers for a perfect fit. This not only ensures a secure connection but also prevents the boat from sliding or being damaged during transportation. Additionally, these roller end caps can be easily mounted to the same bracket as the rail rollers, making the installation process quick and simple. By using these end caps, you can rest assured that your boat's hull is protected from scratches and damage caused by sharp brackets. Order your MAMDAFAON 2.36inch Boat Trailer Black Molded Rubber Side Rail Roller end caps today and enjoy a safe and smooth boating experience.