1. Our propellers make your installation process easier. 2. Material: Adopt material 3. Outstanding Quality: Based on fine raw material, superb manufacturing process and strict quality control, our propellers are more durable. Pitch:11 Rotation: R Number of : 3 Number of Spline Tooth: 8 Diameter: Approx. 9 1/4 Applications: For Yamaha Outboard Engines 9.9-20HP T8, T9.9...all years F9.9(4 stroke)...2000-2007 F15(4 stroke)...1998-newer F20(4 stroke)...2007-newer 9.9hp(2 stroke)...1984-2009 15hp(2 stroke)...1984-2009 F15C...2007-newer F20(4 stroke)...2007-newer colour:White Material:Aluminum alloy Package Contents: 1 x Propeller Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.