Give your airplane models the great scale look with Master Airscrew 3-Blade Series Propellers! These propellers have NACA airfoils and are made of glass-filled nylon for added strength and durability. Each propeller is accurately balanced and hold a true pitch. Made in USA.
2 Blade to 3-Blade Conversion: Decrease diameter by 1" and increase pitch by 1" if possible. Adjust to 2" for larger diameter (14" and up).