FCS Fins - FCS II Connect Blue Performance Glass 7inch Fin - Blue :: Unisex > Surf Accessories. 2 + 1 CompatibleDesigned to be used in existing FCS Longboard boxes. No new box requiredOffers a combination of drive. speed and response for modern longboardingVersatile. high performance Longboard (LB) fin for all conditionsNeutral. well balanced templateFoil: 50/50Sweep: 33.7Area: 24.05 / 15518mmDepth: 7.01'' / 178mmBase: 4.99\ / 126mmFCS Longboard fin Size: one size.