Feature:1. 11x15in propeller, high thrust, replacement for Yamaha Outboard Engines 2560HP 31/2in Gearcase.2. With 3pcs blades, it can quickly cut through water, ensures low resistance during underwater propulsion.3. The propeller blades are linked by 13pcs pure copper spline teeth, better match the engine speed, allowing your outboard to thrust faster.4. Superior aluminum alloy, highdensity, smooth painted surface, resistant to salt and corrosion, ensure a long lifespan in harsh marine environment.5. Higher rake angles tighten the vorticity produced by the propellers, adding to boat lift and overall performance.6. Improved maneuvering and lift through aggressive rake and cupping. Tuned progressive pitch angles accelerate and channel water to minimize slip and increase performance and fuel economy.Specification:Item Type: Outboard PropellerMaterial: Aluminum Alloy + CopperDiameter: Approx. 11inPitch: Approx. 15inNumber of Blades: 3Number of Spline Tooth: 13 Rotation: RHFitment:Replacement for Yamaha Outboard Engines 25-60HP 3-1/2in GearcaseReplacement for T25hp...2010-newerReplacement for F30(4 stroke)...2001-2005Replacement for 40hp(C40)...1984-newer Replacement for 48hp...1995-2000Replacement for 50hp(Not T50)...1984-newerReplacement for F40(4 stroke)...1999-newerReplacement for F50(4 stroke)...1995-newerReplacement for 55hp...1976-1995Replacement for 60hp...1976-1991Replacement for F60(4 stroke)...1999-newer .Package List:1 x Outboard Propeller