1、3 Blades Design: The propeller is designed with 3 blades, and the structure is small and compact, which is easy to install and replace. 2、Appropriate Size: The outer diameter of the propeller is 50mm, with a 2mm inner hole, which can be matched with a 2mm motor. 3、Made of ABS Plastic: Made of excellent ABS plastic, which is scratch and impact resistance, can be used for a long time. 4、Used for DIY Toys: These propellers are often used as DIY toy accessories, such as making remote control car models, etc. 5、10Pcs in 1 Set: The kit contains 10pcs plastic propellers, with sufficient quantity and wide application range. 10 x Propeller Item Type: 3 Blade PropellerModel: XR-146Material: ABSPurpose: Suitable for DIY toy accessories remote control car modelOuter Diameter: Approx. 50mm / 2inInner Hole: Approx. 2mm / 0.08inBlade Quantity: 3 blades