Mercury - Quicksilver Black Diamond 3-Blade Aluminum Propeller 14" Diameter x 13" Pitch Right-Hand Rotation 3-Blade Aluminum High-Gloss Phantom Black Finish QA3832X. Overview. There's nothing quite like a prop that feels right the kind that grips the water with confidence and makes every throttle movement feel smooth and effortless. The Quicksilver Black Diamond 14" x 13" Pitch Propeller (QA3832X) is built for that feeling. It's not flashy or overcomplicated it's just solid, dependable performan