1.ALUMINUM:Constructed from high-quality aluminum alloy, this 11-1/8X13-G propeller is built to last. Its robust material ensures long-term durability, making it a reliable choice for extended use in various marine environments. Enjoy dependable performance and longevity with this premium propeller. 2.LIGHTWEIGHT DESIGN:Despite its sturdy construction, this propeller is lightweight and compact. Its smart design makes it easy to carry and store, while also facilitating straightforward installation. This combination of lightness and practicality enhances the ease of use and maintenance for any boater. 3.OPTIMAL PERFORMANCE:Experience excellent running performance without compromising on top speed, acceleration, or rotational speed. This propeller is engineered to reduce engine wear and maximize fuel efficiency, providing smooth and efficient propulsion for a superior boating experience. 4.EASY INSTALLATION:Designed with user convenience in mind, this propeller a hassle- installation process. Its compact size and thoughtful design ensure that it fits seamlessly with Yamaha outboard motors, making replacements or upgrades straightforward and quick.