Mercury - Quicksilver Q3 Propeller 16" Diameter x 11" Pitch Right-Hand Rotation 3-Blade Stainless Steel High-Polished Finish 8M0103516. Overview. There is something special about a prop that feels perfectly in tune with your boat - the kind that delivers both muscle and smoothness without compromise. The Quicksilver Q3 is that kind of propeller. The moment you throttle up, it responds with confidence - quick out of the hole, steady through the turns, and fast on the top end. Whether you're runni