Mercury - Black Max 3-Blade Aluminum Propeller 13.875" Diameter x 14" Pitch Right-Hand Rotation 3-Blade Aluminum Phantom Black Finish 854352A45. Overview. Every boater knows that a good day on the water starts with confidence at the throttle. The Mercury Black Max 3-Blade Aluminum Propeller (Part Number 854352A45) delivers that confidence every single time. It's built for smooth launches, steady cruising, and effortless control-qualities that make it a favorite among Mercury owners worldwide.. F