FEATURES--OVERVIEW-Europe's winningest racer was a big fan of the Slater Trout fin but wanted to add better tracking and more strokes per side. The extended bump on the trailing edge does exactly that and Eric and his FCS teammates have won multiple races on this fin.-FCS II TOOL-LESS SUP FINS-? The fin can be inserted, removed or adjusted in seconds.-? No screw and plate required.-? Fits a variety of existing single fin boxes.-IDEAL CONDITIONS-Suited to a variety of conditions from surf to flat water.-BOARD TYPES-Surf, Hybrid and Race SUP?s--FIN MATERIAL-PERFORMANCE CORE--FIN SIZE-8.5"--FIN SPECS--Base: 6.89" / 175mm -Depth: 8.51" / 216mm -Area: 37.99"˛ / 24507mm˛ -Sweep: 27.7ş -Foil: 50/50----