Mercury - Mirage Plus 3-Blade Stainless Steel Propeller 14.6" Diameter x 23" Pitch Left-Hand Rotation 3 Blades X7 Stainless Steel Polished Finish 8M0151311. Overview. There is something special about a prop that makes your boat feel alive under your hands - steady, powerful, and eager to run. The Mercury Mirage Plus 3-Blade Stainless Steel Propeller (Part Number 8M0151311) is that kind of prop. It is the one you count on when the water opens up and you want to see what your boat can really do. D