Wishlist FCS FCS PC-5 Medium | Quad Fin Set | Performance Core | Twin Tab | All Round Performance $189.95 FCS PC-5 Medium | Quad Fin Set | Performance Core | Twin Tab | All Round Performance Core Series Surfboard Fins FCS twin tab PC-5 quad medium surfboard fins. The PC template is a neutral, all rounder, features inside foil technology and are... Add to Cart Compare