Mercury - Quicksilver Black Diamond 3-Blade Aluminum Propeller 16" Diameter x 11" Pitch Right-Hand Rotation 3-Blade Aluminum Phantom Black Finish QA2000X. Overview. There's a real peace of mind that comes from knowing your prop can take on whatever the day brings. - calm mornings, heavy loads, or choppy afternoon runs. The Quicksilver Black Diamond 3-Blade Aluminum Propeller delivers that kind of steady reliability. It's smooth on takeoff, firm in the turns, and forgiving when the water gets rou