1、High quality material with high strength is durable and practical, ensuring the flexibility and stability of the propeller 2、Easy and convenient to install 3、Suitable for mini quadcopters and racing quadcopter 4、Can effectively balance the racing quadcopter in the air and ensure the flying to be more smooth 5、Smooth surface design can reduce the windage resistance Features: 1. High quality material with high strength is durable and practical, ensuring the flexibility and stability of the propeller. 2. Easy and convenient to install. 3. Suitable for mini quadcopters and racing quadcopter. 4. This propeller can effectively balance the racing quadcopter in the air and ensure the flying to be more smooth. 5. Smooth surface design can reduce the windage resistance. Specifications: Material: PC Color: Red, Black, Orange, Green (Optional) Package Weight: 95g Mounting pore diameter: 5mm / 0.2inch Type: RC Accessory Quantity: 10pairs Recommended Motor: 1806(3S), 2204(3-4S), 2205(3-4S), 2206(3-4S), 2306(3-4S) Package Includes: 10 x Pairs of Propellers