Mercury - Mirage Plus Stainless Steel Propeller 14.75" x 21" Pitch Right-Hand Rotation 3-Blade Stainless Steel Polished Finish 8M0151310. Overview. There's a reason so many seasoned boaters swear by the Mercury Mirage Plus propeller. When you're running open water at top speed and feel that smooth, effortless lift under the hull - that's the Mirage Plus doing its job. It is built for people who take their time on the water seriously, whether you're pushing across saltwater flats or cruising a wi