MECCANIXITY 4Pcs 4.75x4.75 Inch Propeller RC Propellers 2-Vane Blades Props Gray with Adapter Rings for RC Airplane Aircraft Prop Replacement

What is this?RC propellers are used on fixed wing airplanes, aircraft, the excellent prop replacements.What will I get?Propeller Diameter: 4.75 inchPitch: 4.75 inchHole Diameter: 6.2mm/0.24 inchPropeller Washers Size: 6mm/5mm/4mm/3mmRoot Thickness: 7.3mm/0.29 inchVane Quantity: 2In the package of: 4pcs x Fixed-wing Airplane Propeller, 4pcs x WashersAre there any advantages of the product?This propeller can find the best size and pitch for your aircraft, it is really easy to balance, making this propeller fit for your electric airplane, good for general aircraft flying.How to use it?The 2-Vane RC airplane props are made of plastic material that reduces rotating mass for higher output and longer life.What should I notice?Please check the Rotating Diameter and Pitch before ordering to make sure it is fit for your RC plane motor.