Alice Aluminum propellers for Mercury outboard engines. ↵Durable: made of aerospace Aluminum-Titanium alloy ↵Balanced: 3D laser scanning for static and dynamic control ↵Anti-corrosion: robotical AkzoNobel powder coating ↵Performing: high efficiency and reduced consumption thanks to blades perfect cupping ↵The mounting kit must be ordered separately if necessary to replace nuts, washers and spacers. ↵↵For Mercury outboard engines:↵9.9/15(4-stroke/BigFoot) [1999<>2004] ↵20/25(2-stroke) [1980<>2006] ↵25(SeaPro/Marathon) [all]