( Twin-Fin Set ) FCS Compatible: Smaller than the standard TA Twin, these 5.1's are versatile; they excel as a looser twin fin set, or as a way to bring extra hold into a quad set as front fins or thruster set as side fins. A well-balanced proven design with a flat inside foil.
HEIGHT: 5.10" / 130 mm
BASE: 4.62" / 118 mm
AREA: 18.97"² / 122.42 cm²