Mercury - Quicksilver Q3 3-Blade Stainless Steel Propeller 14.7" Diameter x 16" Pitch Right-Hand Rotation 3-Blade Stainless Steel High Polished Finish 8M0103520. Overview. There's a moment every boater knows that surge when the throttle opens, the bow lifts, and the boat glides effortlessly across the water. The Quicksilver Q3 3-Blade Stainless Steel (8M0103520) was built for that moment. Every push of the throttle feels deliberate, powerful, and smooth. This prop isn't just about speed; it's ab