1. Durable and FunctionalMade from PVC material, this surf fin is durable and functional, ensuring longlasting performance for your boards. It can withstand various water conditions and provides stability during water activities. 2. Secure FasteningEquipped with stainless steel screws, this fin offers a safe and reliable attachment to your boards. It ensures the fin stays firmly in place even during intense water sports or rough waves, delivering enhanced control and maneuverability. 3. Wide CompatibilitySuitable for a variety of boards such as surfboards, longboards, shortboards, water skis, paddleboards, funboards, and more. It is designed to fit most fin box slots on the market, making it compatible with different board types. 4. Precise FitIt is important to measure the size of your fin box slot. This surf fin comes in a suitable size of approximately 7 x 14.2 cm to ensure a precise fit and avoid compatibility issues.