evo.com | Phase Five Wakeboard Fins > The Phase Five 4.7 Surf Twin Fin Set is engineered for riders seeking maximum drive and control, featuring a larger surface area ideal for powerful turns and enhanced hold on the wave face. Constructed with carbon fiber and e-glass honeycomb materials, these fins deliver a responsive feel and are compatible with classic FCS fin boxes, making them a versatile upgrade for surf-style wakesurf boards. Compatible with Classic FCS Fin Boxes Two Surf Fins Carbon Fiber Construction Includes Fin Bag and FCS Fin Key 4.7" | Phase Five 4.7 Surf Twin Fin Set 2025 - 4.7