Mercury - Black Max 3-Blade Aluminum Propeller 10.875" Diameter x 11" Pitch Right-Hand Rotation 3-Blade Aluminum Phantom Black Finish 85632A45. Overview. There's a moment every boater looks forward to that smooth launch when the water parts cleanly behind you and the engine hums in perfect rhythm. The Mercury Black Max 3-Blade Aluminum Propeller (85632A45) is built for those moments. It's not flashy or complicated; it's dependable, durable, and simply works every time you turn the key. Whether y