Mark Richard’s famous twin template produces exceptional drive and speed for your surfboard. The small stabilizer (centre fin) adds control whilst maintaining the freedom and maneuverability of a twin fin set up. Designed to fit the FCS II Fin System. Includes set of Twin (2) Performance Core fins + (1) smaller Stabilizer Fin. Recommended for all board types including fish, funboard and twin fin boards. The flex pattern in Performance Core fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different surf conditions.