Large centre fin with unique wing tip design,Stiff, lightweight PC construction, Offers control in turbulent water and at high speed, Increases maneouverability through added tail lift. FIN MATERIAL PERFORMANCE CORE,FIN SIZE LARGE, FIN SPECS Base: 6.26" /
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.