Feature:1. Using Excellent Plastic: The propeller is made of excellent ABS plastic, resistant to abrasion and impact, and can be used for a long time.2. 4 Blade Design: These propellers are of 4 blade design, with high wind and thrust, and good performance.3. With 2mm Hole: The 4 blades propeller has an outer diameter of 80mm with a 2mm hole, which can be matched with a 2mm motor.4. 10Pcs in 1 Set: The kit contains 10pcs plastic propellers, which is small and compact, easy to install and replace, and has strong practicability.5. For DIY Toys: Often used as DIY toy accessories, such as remote control car models, electric boat toys, etc.Specification:Item Type: 4 Blades PropellerModel: XR-149Material: ABSPurpose: Suitable for DIY toy accessories remote control car modelOuter Diameter: Approx. 80mm / 3.1inInner Hole: Approx. 2mm / 0.08inBlade Quantity: 4 blades.Package List:10 x Propeller