FCS X-2 Tab Center Plug FCS X-2 Tab Center PlugHome / Surf Hardware / Misc. Hardgoods / FCS X-2 Tab Center Plug Offering unparalleled strength, durability and bonding properties, FCS X-2 is the most widely used fin system in the world, and the chosen fin system by the world’s best surfers. Plugs sold individually and NOT as a set $8.99 4 in stock Quantity Add to cart Categories: Surf Hardware, Misc. Hardgoods