The Fin Solutions G-5 Superior Composite Surfboard Fins - Black are meticulously crafted by Australian Fin Co., with over 30 years of experience in the industry. These fins are designed to be durable, efficient, and versatile for a variety of surf conditions. Constructed with high quality plastic and an FCS II base, these fins are best suited for high performance short boards, fun boards, and step up boards. Perfect for small to medium or even large waves, these fins will elevate your surf game to the next level.