With enhanced speed, lift, drive & stability, the 3D will take the performance of your standard thruster set up to a new dimension. It harnesses FCS's innovative construction technology & offers a new dimension in performance. Because the fin's unique tip is parallel to the board's surface, the 3D holds speed during on-rail surfing where traditional fins can pop or stall, delivering extra squirt in the second half of your turns. The tip also increases lift & stability, helping you glide over flat sections & increasing control in broken water.