🌊 Ride the Wave of Innovation! Comes with a fin screw and plate for quick and hassle-free setup, so you can hit the water in no time! Fits any standard fin box longer than 16cm / 5.75", making it the perfect replacement for your longboard, surfboard, or paddleboard. Developed and tested by the experts at FCUP sports, ensuring you get a fin that meets the demands of serious riders. Crafted from high-quality plastic, this fin is built to withstand the rigors of water sports while providing the flexibility you need. This 8" flexible fin is designed for optimal performance in shallow waters and rocky conditions. Flexible & durable design Universal fin box fit 8" fin for surf style The 8" Standard SUP Flexible Fin is a versatile and durable replacement fin designed to fit any universal fin box. Ideal for longboards, surfboards, and paddleboards, this fin is rider-tested and perfect for navigating shallow waters and rocky terrains. Made from high-quality plastic, it combines flexibility with strength, ensuring a smooth ride every time.