Feature: 1. The higher quality outboard propeller is a wonderful replacement for Outboard Engines 8‑20HP 2‑1/2in Gearcase to accurately meet your demands. 2. The 3 sharp blades can cut the water surface faster and advance forward, and the resistance of the blade is almost 0 when propelled underwater. 3. The connection is constructed from pure copper with 10 teeth to better match the engine speed, letting your outboard to charge faster on the water. 4. Higher rake angle tightens the vortex generated by the propeller, enhances the lift and overall performance of the ship, decreases slippage and improves performance and fuel economy. 5. The painted surface is particularly smooth, clean hard, salt‑resistant, corrosion‑resistant and durable. Not easy to be damaged even if soaked in sea water for a long time. Specification: Item Type: Outboard Propeller Material: Aluminium Alloy + Copper Diameter: Approx. 9 1/4in / 23.5cm Pitch: Approx. 8in / 20cm NO.S of Blade: 3 NO.S of Tooth: 10 Rotation: RH Fitment: Replacement for Outboard Engines 8-20HP 2-1/2in Gearcase Replacement for Outboard Engines BF 8hp…2000-newer Replacement for Outboard Engines BF 9.9hp…1988-newer Replacement for Outboard Engines BF 15hp…1991-newer Replacement for Outboard Engines BF 20hp…2003-newer. Package List: 1 x Outboard Propeller