The Grainger 14J784 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 prop bolts and nuts required for installation. The propeller provides efficient airflow and thrust generation for light aircraft. With a weight of just 2.5 lbs, it strikes a balance between lightweight design and robust construction. The precision engineering delivers optimal performance.