FCS Fins - FCS II Connect Glass Flex 8inch Fin - Black :: Unisex > Surf Accessories. 2 + 1 CompatibleOffers a combination of drive. speed and response for modern longboardingFCS Longboard finBase: 5.64'' / 143mmDepth: 7.96'' / 202mmArea: 30.71'' / 19812mmSweep: 33.7Foil: 50/50Designed to be used in existing FCS Longboard boxes. No new box requiredNeutral. well balanced templateVersatile. high performance Longboard (LB) fin for all conditions Size: one size.