Propeller, 18 In Dia, 24 Deg Pitch Price For: Each Propeller Material: Aluminum Spiders: Galvalume Propeller Dia. (In.): 18 Requires: - Min. HP: 1/4 Item: Replacement Propeller CFM @ 0.300-In. SP: 1921 CFM @ 0.000-In. SP: 2916 Bore Dia. (In.): 1/2 Rotation: CW Max. RPM: 1140 Pitch (Deg.): 24 Number of Blades: 3 Country of Origin (subject to change): United States