The Grainger 14N228 is a 14-inch diameter, 3-blade, aluminum propeller for small aircraft. It has a pitch of 22 inches and is designed for engines up to 65 horsepower. The propeller is constructed from heat treated aluminum alloy for strength and durability. It uses a standard aircraft prop bolt hole pattern and includes the prop bolts and nuts required for installation. The propeller provides efficient airflow and thrust generation for light aircraft. With proper engine matching, it can optimize aircraft performance. Made in the USA, the 14N228 propeller is a quality product for the recreational aviation market.