APPLICABLE: 10mm shaft coupling connects the motor to the wheel, with the hub securely fixed to the motor shaft using the coupling. DIY INSTALLATION: Flange coupling connector is easy to install with no complicated steps, allowing for simple hand installation and customization. STAINLESS STEEL: 10mm flange coupling is made of stainless steel, providing rust and corrosion resistance for long-lasting durability. HIGH STRENGTH: Stainless steel construction allows this flange coupling to replace original or damaged parts with improved strength and reliability. STABLE USE: High-performance RC flange coupling ensures stable operation and serves as an ideal accessory for RC model motors and related applications. Specification Item Type: 10mm Flange Coupling Connector Material: Stainless Steel Diameter: Approx. 56.8mm / 2.2in Width: Approx. 26.4mm / 1.0in Hole Diameter: Approx. 10mm / 0.4in Application: For connecting motor and wheel Package List 1 x 10mm Flange Coupling Connector Note 1. Due to manual measurement, a 13mm error may occur. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the image.