The Grainger 14D417 is a 14-inch diameter, 3-blade, cast aluminum propeller for small aircraft. It has a pitch of 17 inches and is designed for engines up to 65 horsepower. The propeller is manufactured in the USA and conforms to SAE aerospace standard AS1055B. It features a nickel-copper leading edge for corrosion resistance. The propeller weighs approximately 5 pounds and has a hub bore of 1-inch.