RC Boat Black Plastic 3-Blade CW Propeller Prop 57mm P/D1.4 5714 2Pcs Material: Plastic; Color: Black Vane Number: 3; Pitch/Diameter: 1.4 Shaft Diameter: 4.76mm/ 0.19 inch; Rotating Diameter: 57mm/2.24 inch This propeller is widely used on RC Boat, especially for propeller replacement. Package Includes: 2 X RC Boat Propellers