Feature:1. Universal Flange Coupling: The flange shaft coupling is designed to mount robot wheels and mechanisms onto motor shafts, suitable for DIY RC model motors and provides a secure connection.2. Includes Hex Screws: The flange coupling comes with hex screw that is used to securely fasten the motor onto the coupling, ensures a tight and stable connection.3. Lightweight Construction: The coupling is made of aluminum material, significantly reduces its overall weight, makes it easier to move and operate, improving overall efficiency.4. Precisely Machined: With precision machining, ensuring high precision alignment and smooth power transmission, suitable for applications that require accurate power transfer.5. Enhances Efficiency: With its precise design and aluminum construction, the coupling effectively transmits power with minimal loss, allows for efficient power transfer, maximizing the performance.Specification:Item Type: Flange Shaft CouplingMaterial: Aluminum.Color: SilveryCenter Hole Diameter: Approx. 12mm/0.47inCompatible Wheel Model: 14041Package List:1 x Flange Shaft Coupling