Template: Neutral (All-Around, Fluid) * Construction: Fiberglass * Ride Number: Speed Control - 3.3 * Size: Large (75+kgs) * Colour: Salmon The Futures Freestone Thruster Surfboard Fins, a large speed controlling fin with Ride Number 3.3, is great for all around surfing. Any rider will enjoy using this fin to maintain stability in rough conditions. In heavier surf, speed control is key to survival. These fins are made from fiberglass panels and foils, which are precision cut using a CNC machine. They are then hand finished to perfection.