The Mercury Quicksilver Black Diamond Propeller is a high-quality aluminum propeller designed for marine applications. With a pitch of 21 inches and standard rotation, this propeller is durable and efficient for powering boats. Made in the United States by Mercury, a trusted brand in the industry, this propeller is sure to provide reliable performance for your boating needs. Additionally, it is important to note that this product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm, so be aware of this when handling or using the propeller. It is in new condition without stickers or paperwork.