Usage Tips:1.FACTORY DIRECT SUPPLY, part number GRADE QUALITY. Our propellers make your installation process easier. 2.Model Description: part number performance for Outboard Engines 8-20HP 3.Outstanding Quality: Based on fine raw material, superb manufacturing process and quality control, our propellers are more durable. Pitch:12 Rotation: R Number of Blades: 3 Number of Spline Tooth: 10 Diameter: .9 1/4 Applications: DF 8A 4-Stroke 2011 er DF 9.9A / 9.9B 4-Stroke 2015 er DF 15 4-Stroke 1996 er DF 15A 4-Stroke 2013 er DT 15C 2 Strokes 1989- 2000 DT 15 1983-1988 DT 9.9 1983-1987 DF 9.9 4-Stroke 1996-2000 er DF 20A 4-Stroke 2015 er Colour:black Material:Aluminum alloy Package Contents: 1 x Propeller Only the above package content, other products are not included. Note: Light 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.