Marcio Zouvi's 'Sharp Eye' shaper fin. The FCS II Sharp Eye PC Tri Fin Set is a versatile all round Performance Core fin with a larger base, ideal for controlled power turns in critical sections.
Fin Size Detail
| Size | Height | Base | Area | Sweep | Foil | Weight Range |
| Medium | 4.55" [115.4mm] | 4.48" [113.6mm] | 15.13" [9761mm] | 34.8° | Flat/Bev | 145-175 lbs. |
| Large | 4.66" [118.3mm] | 4.59" [116.5mm] | 15.91" [10263mm] | 34.8° | Flat/Bev | 165-200 lbs. |