evo.com | FCS Fins > For a powerful and stable ride, look no further than the FCS II Thomas Longboard Fin. Made with performance glass that provides a responsive flex and a reliable ride and a keyless construction, this is one easy choice you'll make this summer. 1 Fin Performance Glass Performance Glass material characteristics and flex pattern are identical to traditional fiberglass fins offering a stiff base with subtle responsive tip flex, amazing aesthetics and proven durability. PG fins are the perfect transition fin for surfers moving from fixed fins to the convenience, accuracy and performance of FCS. Ability to Adjust your Fin Position in the Box Mid Surf No Need for Plate and Screws No Fin Key Required | FCS II Thomas Longboard Fin 2024 - 11.5 in Blue