Solas Amita Three-Blade Johnson/Evinrude 15-35hp Aluminum Propeller is made using a state-of-the-art squeeze-casting process to make its aluminum propellers stronger and tougher than traditional die-cast props. Squeeze casting produces propellers with finer grain and much less porosity than die casting and equals thinner yet stronger blades. This provides outstanding acceleration, cruising, and top speed. Superior coatings and a high-tech painting process for corrosion resistance. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Aluminum Props.