- Replacement Solution: Upgrade your inflatable surfboard, paddle board, or longboard with our premium surfboard fins. Specifically designed as middle fin replacements, these fins enhance your overall surfing experience. - Exceptional Durability: Crafted from high-quality, flexible TPU material, our fins offer outstanding durability and are highly resistant to breakage, ensuring they withstand the rigors of regular use. - Universal Compatibility: Designed to fit a variety of surfboards, including the 4.6 grey, 4.6 orange, and 3 black models. Our fins provide balanced and stable performance, improving your surfing dynamics. - Effortless Installation: Enjoy hassle-free installation with our surfboard fins. Once secured, they remain firmly in place during your surfing sessions, promoting safety and reliability. - Practical Applications: Ideal for beginners looking to improve stability on the water, as well as experienced surfers seeking better control and maneuverability in challenging conditions. Perfect for use in both recreational and competitive surfing environments.