Mercury - Quicksilver Nemesis 4-Blade Aluminum Propeller 9.3" Diameter x 11" Pitch Right-Hand Rotation Four Blades Aluminum Phantom Black Finish 8M8027517. Overview. There's something deeply satisfying about a prop that just feels right - when you ease into the throttle and the boat responds instantly, cleanly, and with purpose. That is the experience the Quicksilver Nemesis 4-Blade Aluminum Propeller delivers. It's designed for boaters who live for smooth takeoffs, sharp handling, and that stea