The FCS II MR PC XL Tri Fin Set is Mark Richard's famous twin template produces exceptional drive and speed.The FCS II Mark Richards PC Carbon X-Large tri-fin set in multi-color design is MR's twin stabiliser template. Exceptional pivot off the top, while centre fin adds control. Mark Richard's famous twin template produces exceptional drive and speed. The small stabilizer (centre fin) adds control whilst maintaining the freedom and manoeuvrability of a twin fin set up. Designed to fit the FCS II Fin System. Recommended for all board types including fish, funboard and twin fin boards.