Design by Danny to give him superior tracking and more strokes per side while still being able to buoy turn and surf in course racing conditions. Stiff and lightweight carbon skin UL construction, Ideal race fin, Includes FCS Key. FIN MATERIAL ULTRALIGHT
The FCS system (Fin Control System) was designed by Brian A. Whitty in Elanora, Australia, and patented on November 7, 1995. It can be recognized by the 2 tabs on the fins which are designed to fit into a securing plug that attaches the fin to the board.