Features: Made of high quality nylon material, wear-resistant, solid and durable in use. Strengthen the fixation of the water distributor and the base to make the fin more firm. Easy to disassemble or assemble, connect tightly with a anti-lost rope. Sliding and locking fins make it a movable center fin for inflatable paddles. Suitable for all kinds of inflatable surfboards, used for outdoor surfing beach. Specifications: Material: Nylon Item Size: 4.3 * 1.3cm Item Weight: 2g Package List: 4 * Surfboard Fin Clips When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it