Wave Devocean Surfboard Fins FCS Base G5 Size Half Carbon Fins+Free Fins Keys and Screws 1. STRONG PERFIRMANCE AND REASONABLE PRICE: This is thruster set carbon 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. 2. LIGHTWEIGHT PERFORMANCE FINS WITH RESPONSIVE FLEX PATTERN: This versatile template offers a balance of speed, drive and manoeuvrability. 3. 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. 4. 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.