Feature: 1. 10 Pcs in 1 Set: The kit includes 10 pcs of 4-blade propellers, with sufficient quantity for easy use and replacement. 2. 4-Blade Design: These propellers feature a 4-blade design and are small and compact, making them easy to install without taking up much space. 3. With 2mm Hole: The propeller has an outer diameter of 60mm and an inner hole of 2mm, allowing it to be installed on a 2mm motor shaft. 4. Made of ABS Plastic: Constructed from excellent ABS plastic, it boasts high hardness and impact resistance, ensuring it's not easily deformed. 5. For DIY Toys: The propeller serves as a DIY toy accessory and can be used for building boats or remote-controlled car models, etc. Specification: Item Type: 4-Blade Propeller Model: XR-147 Material: ABS Purpose: Suitable for DIY toy accessories, remote-controlled car models Outer Diameter: Approx. 60mm / 2.4in Inner Hole: Approx. 2mm / 0.08in Number of Blades: 4 blades. Package List: 10 x Propeller