The 6" Sydney Roller Black with a 17mm bore offers reliable support and smooth operation for your boat trailer. Crafted with durability in mind, this roller is designed to withstand the rigors of marine environments. Its black finish adds a sleek look to your trailer while providing protection against wear and tear. With a 6-inch diameter, it accommodates various boat sizes, ensuring versatile use. Upgrade your boat trailer with the durability and functionality of the 6" Sydney Roller Black for effortless and efficient boating experiences.