Mercury - Mirage Plus 3-Blade Stainless Steel Propeller 15.25" Diameter x 19" Pitch Left-Hand Rotation 3-Blade X7 Stainless Steel Polished Finish 8M0151307. Overview. There's something special about a prop that feels like an extension of your boat one that bites the water with confidence and responds instantly to every throttle touch. That's exactly what you get with the Mercury Mirage Plus 3-Blade Stainless Steel Propeller (8M0151307). Known for its smooth, high-speed performance, it's a favori