Mercury - Quicksilver Nemesis 4-Blade Aluminum Propeller 13.8" Diameter x 13" Pitch Right-Hand Rotation Four Blades Aluminum Phantom Black Finish 8M8027500. Overview. Every boater knows that perfect moment when the throttle responds, the bow lifts, and the boat glides forward with clean, confident power. That is the kind of performance you can expect every time with the Quicksilver Nemesis 4-Blade Aluminum Propeller. Designed for those who want more than just motion - it's for those who crave ba