Free Shipping-Surf My Wave Surfboard Fins FCS Base Blue Fiberglass Thruster Set + Fins screws and Hex keys (G3 G5 G7) STRONG PERFIRMANCE AND REASONABLE PRICE: This is thruster set fins,the stiff base adds some speed in mushy conditions, and hold well through fast turns and bigger waves,this fin definitely fit the bill. 3 FIN SIZES AND 2 COLORS FOR YOUR DEMAND: We provide G3,G5,G7 sizes and 2 colors for surfers demands, three size for the surfers who like to choose the size they fit your weight, the fin base useful for the common surfboard. It also creates a curve that evenly distributes any extreme impact force. COMMON FCS BASE FINS DEVELOP POWER ENERGY: High quality performance core, stable control your surfboard when you surf,give you the optimum combination of strength and flex in your fins. GET FREE FCS FIN KEYS AND SCREWS: We send you 1 key and 6 screws with this fin set,make surfers enjoy your purchase on Amazon.