Tie Down Dock System Piling Hoop Roller Assembly Tie Down's piling hoop roller assembly combines the piling hoop and dock roller assembly to provide superior protection for your dock. It effectively accommodates the constant up-and-down movement, ensuring smoother operation and minimizing the risk of damage to your dock structure. Designed for dock pilings up to 12 inches in diameter, our piling hoop roller assembly is built to handle challenging environmental conditions. It is ideal for areas with strong winds, heavy currents, or tidal action, providing reliable performance and durability. The assembly helps safeguard your dock from the impact of tidal fluctuations and other external forces, ensuring the long-term integrity of your dock system. Installing the piling hoop roller assembly is a straightforward process. It can be easily mounted to your dock, providing a hassle-free installation experience.