<b>Product Description:</b><br> The single fin is designed for surfboard and paddle boards, and combines drive, speed and response for modern longboarding. This black fin is made of fiberglass-reinforced nylon composite materials , which provides good hold in both flat water paddling and turning around. It fits almost all SUPs and longboards with 'Universal' or 'US Style' fin boxes. <br><br> <b>Features: </b><br> Classic fin fits almost all SUPs and longboards with 'Universal' or 'US Style' fin boxes. <br> Durable fiberglass-reinforced nylon composite materials to make sure the fin is strong and durable. <br> Quickly assemble or remove the fin to your surfboard<br> Provides good hold in both flat water paddling and turning around. <br> Makes convenient for you to replace the original fin quickly. <br><br><b>Specifications: </b><br> Color: Black<br> Material: Fiberglass-reinforced nylon<br> Size: 8.6"<br>