( 3 Fin Set ) FCS Compatible: The S Double Twin + Hitch Hiker Trailer fin is a versatile combo set. Use the trailer fin to add some stability or charge bigger waves.
( Side Fins ) HEIGHT: 5.37" / 136 mm BASE: 5.25" / 133mm AREA: 19.57"² / 126.26 cm²
( Back Fin ) HEIGHT: 3.12" / 80 mm BASE: 3.37" / 87 mm AREA: 7.81"² / 50.41 cm²