function openWindowCustom(url, name, param) {popupWin = window.open(url, name, param);popupWin.focus(); };Solas Amita Four-Blade Mercury/Honda 90hp and Above 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 propellers. 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-end speed. Superior coatings and a high-tech four-layer painting process ensure anti-corrosion performance. Traditional pressed-in rubber hub absorbs vibration and reduces slipping. Right rotation. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Aluminum Props.