FCS V-2 Performance Core Surfboard Tri-Quad Fin Set FRONT: Base: 4.33" / 110mm Depth: 4.53" / 115mm FRONT: Area: 15.23" / 9824mm Sweep: 32.0 Foil: Flat REAR: Base: 4.10" / 104mm Depth: 4.26" / 108mm REAR: Area: 12.64" / 8158mm Sweep: 32.4 Foil: 80/20 MEDIUM (65 - 80Kg / 145 - 175 Lbs)