Elevate your surfing performance with the FCS Quad Rear Skegg Set, specifically designed for the Hawaii wave riding scene. This premium TRUE FCS primo set includes rear quad fins (the middles) in SIZE x-small, crafted with a GLASS FLEX tension to enhance your board's responsiveness. Each set comes with an FCS primo key, ensuring you have everything needed for a secure and precise installation. Trust Vierra Surf & Turf to provide you with top-notch surf gear, our expert landscaping services, and stunning photography by Mike Ikaika Vierra, encapsulating the essence of Hawaii.