Mercury - Quicksilver Nemesis 4-Blade Aluminum Propeller 14" Diameter x 12" Pitch Right-Hand Rotation 4-Blade Aluminum Phantom Black Finish 8M0055531. Overview. Some props make your boat move - others make it come alive. The Quicksilver Nemesis 4-Blade Aluminum Propeller (Part Number 8M0055531) falls squarely into the latter category. It's built for boaters who live for that instant, powerful surge when the throttle hits and the hull lifts cleanly onto plane. The Nemesis isn't just another alumi