Mercury - Quicksilver Bravo Three 4-Blade Stainless Steel Propeller 15.5" Diameter x 24" Pitch Left-Hand Rotation 4-Blade Stainless Steel Matte Finish 8M0123408. Overview. Every seasoned boater knows the feeling that moment when power, control, and water all connect seamlessly. The Quicksilver Bravo Three 4-Blade Stainless Steel Propeller (8M0123408) is crafted to deliver that very experience. It's built for smooth acceleration, confident control, and the kind of stability that makes even challe