Sharp Eye File Fifty 5'9 Surfboard - FCS II5'9" x 18. 88" x 2. 42" 27. 08L The File Fifty from SHARPEYE Surfboards delivers the worlds fastest surfboard with Elite Performance. A Sharp Eye team favourite, the File Fifty offers Elite Performance. Featuring a medium entry and exit rocker, sensitive low rails for maximum control and bite, and a speed generating deep single concave that runs from the nose through the tail. The deepest point of the concave is positioned between the fins providing