Item Type: 4 Blades Propeller_x000D_ Model: XR-147_x000D_ Material: ABS_x000D_ Purpose: Suitable for DIY toy accessories remote control car model_x000D_ Outer Diameter: Approx. 60mm / 2.4in_x000D_ Inner Hole: Approx. 2mm / 0.08in_x000D_ Blade Quantity: 4 blades 110Pcs in 1 Set: The kit contains 10pcs 4 blade propellers, with sufficient in quantity, easy to use and replace. 24 Blades Design: These propellers have 4 blades and are small and compact in sizes, easy to install and do not take up space. 3With 2mm Hole: The outer diameter of the propeller is 60mm with a 2mm inner hole, which can be installed on a 2mm motor shaft. 4Made of ABS Plastic: Made of excellent ABS plastic, with high hardness and impact resistance, not easy to deform. 5For DIY Toys: The propeller is used as a DIY toy accessory, and can be used to make boats or remote control car models, etc.10 x Propeller