Features Enhanced Th Performance: The 4 blades design maximizes wind resistance and th, ensuring optimal performance for your DIY model projects Fit for Motors: With a 100mm outer diameter and a 2mm hole, these propellers are tailored for seamless attachment to compatible motor shafts Long-Lasting Durability: Crafted from high-quality ABS plastic, these propellers resist impact and wear, providing reliable use without deformation over time Convenient 10-Piece Set: This kit includes 10 propellers, making it easy to stock up for multiple projects while ensuring compact storage and easy installation Versatile DIY Applications: Ideal for various DIY toys such as remote control boats and powered car models, these propellers enhance your creative projects effortlessly Features: 1、4 Blades Design: These propellers are designed with 4 blades, with high wind and th, and good performance. 2、With 2mm Hole: The outer diameter is 100mm with a 2mm inner hole, suitable for a motor shaft with a diameter of 2mm. 3、 Material: Made of ABS plastic, resistant to impact and abrasion, not easy to deform after long term use. 4、10Pcs in 1 Set: The kit contains 10pcs 4 blades propellers, which are small in size, easy to install and do not take up space. 5、For DIY Toys: Commonly used in DIY toys, such as remote control boats, power car models, etc. Specification: Item Type: 4 Blades Propeller Model: XR-150 Material: ABS Purpose: Suitable for DIY toy accessories remote control car model Outer Diameter: Approx. 100mm / 3.9in Inner Hole: Approx. 2mm / 0.08in Blade Quantity: 4 blades Package List: 10 x Propeller Package List 10 x Propeller