The Sup 9" fin by Aquatone is lightweight and has excellent durability and reliability. It assists Aquatone Sups with directionality and maneuvers. 

• It is very easy to install and pairs with Aquatone's customized base. The specially designed standard base for the fin by Aquatone is multi-structured and fully compatible with it
• Simply push it into the customized base found on all Aquatone SUPs, and it locks immediately without tools or screws
• The fin fits securely into a solid connection with the board, and does not exhibit the issues seen in simple push-in designs