Feature:1. The narrow aerodynamic hydrographic foil stabilizer provides fast and precise control, high reliability.2. Eliminates the downward trailing edge and cupped underside, so there is no drag, practical to use.3. Produce better thrust for fast plane at lower speeds, providing excellent control and fuel savings even when towing skiers, tubes, and snowboards.4. Suitable for 40350HP outboard propeller, comes with mounting hardware, easy and fast to install.5. Using premium ABS plastic, corrosion resistant, antiaging and durable. Fine craftsmanship, fashionable look.Specification:Item Type: Outboard HydrofoilMaterial: ABSColour: BlackQuantity: 1 (including fixed screw)Function: Reduce ollie, reduce elevation angle, eliminate cavitation corrosion, increase skid speed by 50%, make the ship faster and move forward at high speed and stably, and increase fuel efficiency by 30%-40%Application: Suitable for 40-350HP outboard propeller.Package List:1 x Outboard Hydrofoil4 x Screws4 x Nuts4 x Gaskets1 x Wrench