ITEM NAME:1 Piece Quick Release Center Fin For Longboard, Surfboard - Durable Accessory Description: Made of qualified nylon with great durability, lightness and flexibility. Universal: suitable for Future base. The longboard/shortboard/ fun board surfboard fin seamlessly connects turns and allows surfers to move up and down the board. This versatile fin is designed for all.The longboard/shortboard/ fun board surfboard fin seamlessly connects turns and allows surfers to move up and down the board. 1 Piece Surfboard Fin. Fast reacting fin for performing tight radius turns.