Uxcell 8x6" 10x5" Propeller RC Propellers 2 Vane Blades Props Grey with Adapter Rings for Electric Airplane Aircraft, Pack of 4

What is this?RC propellers are used on fixed wing airplanes, aircraft, the excellent prop replacements.What will I get?Package Content: 4 pcs x Fixed-wing Airplane Propeller; Vane Quantity: 2; Style: 10x5, 8x6 inch; Propeller Diameter: 8, 10 inch; Height: 8.1/10.3mm; Propeller Washers Size: 7.7/5.7/4.8/2.8/3/3.8mm(8x6), 7.7/5.7/4.8/2.8/3/3.8mm(10x5)Are 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.