GYMAX Surfboard Fin- Detachable Center Fin Surf and SUP Single Fin- Replacement Quick Fin- Suitable for Longboard- Surfboard and Paddleboard

Main 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. Do not to hesitate to buy!   Feature: Suitable for almost all SUPs and longboards with 'Universal' or 'US Style' fin boxes. Provides good hold in both flat water paddling and turning around. Durable fiberglass-reinforced nylon composite materials to make sure the fin is strong and durable. Makes convenient for you to replace the original fin quickly. Quickly assemble or remove the fin to your surfboard   Specification: Color: Black Material: Fiberglass-reinforced nylon Size: 1.34" x 7.3" x 8.6"