Mercruiser Alpha ONE ,Bravo ONE , Mercury , Marinier: 48-832828A45, 832828A45; Honda: 58233-ZY3-A17H Solas: 1511-150-17,  15 spline.  High Quality Aluminum, Vacuum Casting，Five-layer Propeller surface processing. The heat-treated paddle blade has high toughness and is not easy to break Outstanding Quality: Based on strict quality control, our propellers are extremely durable without sacrificing top speed, acceleration or rmp, reduce the wear and tear on your engine and fully-fuel efficiency. Better speed and save money for you!