Premium Material This surfboard fin and fin base are constructed from nylon plastic, offering toughness and durability with resistance to damage. It provides excellent wear and impact resistance, along with superior water flow performance. The detachable design ensures secure fitting between components with no looseness. Unique Design The streamlined shape enhances surfboard stability and balance, improves turning performance, and helps reduce the impact from underwater obstacles, increasing safety. Ideal for surfers who prioritize maneuverability. Practical and Easy to Install The base is detachable, allowing the center fin to be mounted via a slide rail system and secured with a connecting rope. The rope design ensures the fin is easy to carry and less likely to be lost, offering a safe, practical, and convenient installation and removal process. Wide Application This center fin is compatible not only with surfboards but also with kayaks, canoes, and pedal boats. Installation is simple: attach the fin base to the rear of the board, then insert the fin into the base. For added security, the base can be adhered to the bottom of a paddle board using adhesive.