Mercury - Black Max 3-Blade Extra Cup Aluminum Propeller 16" Diameter x 14" Pitch Right-Hand Rotation 3 Blades Aluminum Glossy Black Finish 16438CP1. Overview. There's a special kind of satisfaction when your boat lifts onto plane effortlessly and stays there with barely a vibration. That steady pull, that confident grip - it's what makes time on the water feel right. The Mercury Black Max 16 x 14 Extra Cup Aluminum Propeller (16438CP1) delivers that feeling every time. It's not flashy or overhy