Premium Material This surfboard fin and fin base are made of nylon plastic, offering toughness and durability. It provides excellent wear resistance, impact resistance, and hydrodynamic performance. The detachable design ensures secure fitment with no looseness between connecting components. Unique Design Featuring a streamlined shape, this fin enhances surfboard stability and balance while improving turning performance. It helps reduce the impact from underwater obstacles during paddling, increasing safety. Ideal for surfers who enjoy maneuverability and quick turns. 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 prevents loss, ensures portability, and adds to overall safety. Simple assembly and disassembly save time and effort. Wide Application This center fin is compatible with surfboards, kayaks, canoes, and pedal boats. To install, attach the fin base to the rear of the board, then insert the fin into the base. For paddle boards, the base can be glued to the bottom deck using adhesive.