Ride the Wave of Innovation! 🌊 Includes hex fin key for quick and hassle-free installation. Crafted with fiberglass reinforced polymer for long-lasting performance. Perfectly engineered foil shapes for enhanced speed and stability. Al Merrick template ensures optimal performance and control. Side fins with a depth of 4.52" and center fin at 4.36" for balanced maneuverability. Hex Fin Key Included Proudly Made in USA Fiberglass Reinforced The Channel Islands Surfboards Fiberglass Reinforced Polymer Fin Set features a robust FRP construction, designed by Al Merrick, ensuring superior performance and durability. This set includes three fins with precise dimensions for optimal control and comes with a hex fin key for easy installation, all proudly made in the USA.