FCS Fins - FCS II Performer Longboard Centre Fi... A balance of speed, flow and response. Excels in all conditions. FCS II Performer XLarge longboard center fin. Single fin designed for use as a center fin for longboards. Reliable all-round fin for a diverse range of surfers, conditions and board types. Designed for surfers wanting a combination of speed and maneuverability with flow between turns. Versatile RTM construction delivers a consistent feel similar to a traditional fiberglass fin, but with the advantage of reduced weight. The stiff flex pattern extends progressively from the base through to the tip helping the surfer to maintain drive and hold through a turn. FCS II tool-less setup allows for fin to be inserted, removed, and adjusted in seconds. Fits a variety of existing single fin boxes. Can also used in surf SUP's and hybrid 2+1 set-ups. Imported. Vendor style #: FPERPC01LBXLR. Fin Specs: Base: 4.48 inches / 114mm Depth: 4.67 inches / 118mm Area: 15.58 inches&#178; /