uxcell 2Pcs 40mm P/D 1.4 2-Vane Plastic Boat Model CW Propeller Prop 4014 Material: Plastic; Color: Black Vane Number: 2; Pitch/Diameter: 1.4 Shaft Diameter: 4.76mm/ 0.19 inch; Rotating Diameter: 40mm/1.57 inch This propeller is widely used on RC Boat, especially for propeller replacement. Package Includes: 2 X RC Boat Propellers