Feature:1. The superior quality outboard propeller is a wonderful replacement for YAMAHA Outboard Engines 9.915HP 21/2in Gearcase to accurately meet your demands.2. The 3 sharp blades can cut the water surface quickly and advance forward, and the resistance of the blade is almost 0 when propelled underwater.3. The connection is made of pure copper with 8 teeth to better match the engine speed, making your outboard to charge faster on the water.4. Higher rake angle tightens the vortex generated by the propeller, adds the lift and overall performance of the ship, reduces slippage and improves performance and fuel economy.5. The painted surface is smooth and clean, very hard, saltresistant, corrosionresistant and durable. Even if soaked in sea water for a long time, not be damaged.Specification:Item Type: Outboard PropellerMaterial: Aluminium AlloyColor: WhiteDiameter: Approx. 9 1/4in / 23.5cmPitch: Approx. 9in / 23cmNO.S of Blade: 3NO.S of Tooth: 8Rotation: RHFitment: Replacement for YAMAHA Outboard Engines 9.9-15HP 2-1/2in GearcaseReplacement for YAMAHA Outboard Engines T8, T9.9...all yearsReplacement for YAMAHA Outboard Engines F9.9(4 stroke)...2000-2007Replacement for YAMAHA Outboard Engines F15(4 stroke)...1998-newerReplacement for YAMAHA Outboard Engines F20(4 stroke)...2007-newerReplacement for YAMAHA Outboard Engines 9.9hp(2 stroke)...1984-2009Replacement for YAMAHA Outboard Engines 15hp(2 stroke)...1984-2009Replacement for YAMAHA Outboard Engines F15C...2007-newerReplacement for YAMAHA Outboard Engines F20(4 stroke)...2007-newer .Package List:1 xOutboard Propeller