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:↵25(4-stroke/BigFoot) [1999<>2005] ↵30(4-stroke) [1994<>2005] ↵30(4-stroke/BigFoot) [2010>] ↵30/40/55(SeaPro/Marathon) [1994>] ↵40/60(2-stroke) [1978>] ↵40/60(4-stroke/no BigFoot) [1978>]