This center fin is designed to protect board from impact when encountering reef. It is characterized by detachable design for convenient transport, impact resistance offering you a great and excellent surfing experience, you will not regret it! Specification: Material: PVC Color: Black Fin Dock Length: approx. 23cm / 9.05″ Width: approx. 10.5cm / 4.13″ Fin Length: approx. 22.5cm / 8.86″ Width: approx. 18.4cm / 7.24″ Package Weight: approx. 347g Package Includes: 1 x Fin 1 x Fin Dock