The Grainger 14N987 is a 14-inch diameter, 3-blade, aluminum propeller for small aircraft. It has a pitch of 21 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 necessary hardware for installation. The propeller provides efficient airflow and thrust for improved aircraft performance. With its durable construction, the Grainger 14N987 propeller is well-suited for use on light sport and experimental amateur-built aircraft.