Mercury - Vengeance 3-Blade Stainless Steel Propeller 14" Diameter x 12" Pitch Right-Hand Rotation 3 Blades Stainless Steel Polished Finish 8M0151398. Overview. Ask any seasoned boater, and they'll tell you-nothing changes how your boat feels quite like the right propeller. The Mercury Vengeance 3-Blade Stainless Steel Propeller (8M0151398) delivers that satisfying mix of smooth pull, quiet strength, and dependable power every time you push the throttle forward. You'll notice how easily it gets