Mercury - Quicksilver Black Diamond 3-Blade Aluminum Propeller 13.25" Diameter x 17" Pitch Right-Hand Rotation 3-Blade Aluminum Phantom Black Finish QA2036X. Overview. There's something special about a boat that responds just the way you expect - steady through the turns, quick on the throttle, smooth on the glide. The Quicksilver Black Diamond 3-Blade Aluminum Propeller delivers that exact experience. It's the kind of prop that becomes part of the boat, quietly doing its job while you enjoy the