Description: 1 Set (6 Pieces) Surfboard Fins FCS Compatible G5 Surf Fins Plugs with Fin Screws and Key. Superior nylon plastic materials so that can bear water pressure and UV. Fin Specs: G5, Fins System: FCS system Comes with 6 pieces fin screws and 1 piece key. Size: 3.6x2.5x2 / 1.4x1x0.8 inch Package Includes: 6 Piece Fin Box 6 Piece Fin Screw 1 Piece Key