- 1.5 pieces of brass motor coupling connectors in sizes: 2 mm, 2.3 mm, 3 mm, 3.17 mm, 4 mm, 5 mm, and 6 mm. - Designed for high rigidity, these couplings deliver high torque with minimal inertia, providing excellent responsiveness for your motor applications. Key Benefits: - Enhanced Performance: Achieve superior power transfer and reduce slippage for improved efficiency in your motor-driven projects. - Versatile Compatibility: Suitable for a range of motor types, these couplings accommodate various shaft sizes, making them ideal for diverse applications. - Durable Material: Crafted from high-quality brass, ensuring longevity and resistance to wear and tear even under demanding conditions. Use Scenarios: - Robotics: Perfect for connecting motor shafts in robotic arms, ensuring precise movements with reliable torque transmission. - 3D Printing: Optimal for 3D printer maintenance and upgrades, providing sturdy connections between the motor and the spindle, enhancing print quality. - CNC Machines: Ideal for CNC setups, offering robust coupling for motors driving cutting tools, ensuring consistent operation and precision. Choose this brass motor coupling to elevate your projects with reliable performance and durability.