Mercury - Quicksilver Nemesis 4-Blade Aluminum Propeller 13.4" Diameter x 15" Pitch Right-Hand Rotation Four Blades Aluminum Phantom Black Finish 8M8027502. Overview. There is a special kind of thrill when you hit the throttle and feel your boat leap forward - the water parts cleanly, the engine hums in tune, and the steering feels light but sure. That's exactly the experience the Quicksilver Nemesis 4-Blade Aluminum Propeller delivers. It's built for boaters who appreciate both precision and pe