Colour: Smoke Black White * Name: The Future Fins F8 Honeycomb thruster set * Construction: Honeycomb Hexagonal Core * Size:Large * Fin Height: Side Fin 4.64in/Centre Fin 4.64" * Fin Base: Side Fin 4.47"/Centre Fin 4.47" * Fin Area: Side fin 15.90"/Centre fin 15.90" Get ready to surf with this thruster fins set! It has a honeycomb hexagonal core construction with a large size for an approximate rider weight of 180lb+/80kg+