OVERVIEWThe Hobgoods signature fin is a well-balanced fin template for a wide range of conditions and board models.IDEAL CONDITIONSA wide range of conditions particularly good in critical overhead waves.BOARD TYPESPerformance boards with deep concaves and moderate-to-extreme rocker.*Please Note: this fin is designed to be used exclusively with the FCS II Fin System and will not fit in the traditional FCS Dual Plug System. How Many fins?This is supplied as a set of three fins.Fin Size:FCS give each fin a size rating each size has a recommended rider weight range so you can easily work out whether a set of fins is going to be a good size for you.Medium fins are designed for a rider weight range of: 65kg - 80kgDimensions:FIN SPECS: MEDIUMBase: 4.37" / 111mmDepth: 4.55" / 115mmArea: 14.76"² / 9525 mm²Sweep: 33.0ºFoi :: Unisex > Surf Accessories" Size: Medium.