FCS II KA PC medium tri fins. Kolohe Andino's signature fin. Delivers a lively mix of drive pivot and release for surfing on and above the wave. Construction: polycarbonate. Size: MEDIUM (65 - 80 Kilograms / 145 - 175 pounds) . Foil: Flat. Sweep Degrees: 35.1. Specs:Base: 4.53 inchesDepth: 4.53 inchesArea: 14.73 inches 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.