Description: High quality high quality nylon material, strong and durable. Lightweight and portable to carry, and easy to attach and to remove. The longboard surfboard fin seamlessly connects turns and allows surfers to move up and down the board. This versatile fin is designed for all conditions and combines drive,speed and response for modern longboarding Used in boards or surfboards. Choose from 6.5,7.5", 8, 9, or 10 height, depending on the size of your board and your style of surfing. Specification: Material: Nylon Size 1 (W x H):Approx. 111 x 166mm/ 4.4 x 6.5inch Size 2 (W x H):Approx. 120 x 199mm/ 4.7 x 7.5inch Size 3 (W x H):Approx. 129 x 210mm/ 5.1 x 8inch Size 4 (W x H):Approx. 143 x 230mm/ 5.6 x 9inch Size 5 (W x H):Approx. 158 x 254mm/ 6.2 x 10inch Color: Black Package Includes: 1 Piece Longboard Fin(2 Pack) Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!