Features • Superior Torque Transmission - Effectively absorbs vibrations while transmitting larger torque, enhancing the performance of your 3D printer and ensuring smoother operation • Durable Aluminum Alloy Material - Crafted from high-quality aluminum alloy, this kit offers exceptional hardness and longevity, providing reliable service for all your projects • Versatile Compatibility - Ideal for various applications including CNC machine tools, servo motors, and stepping motors, making it a must-have for your toolkit • Lightweight and User-Friendly - Designed for easy operation, this kit simplifies installation without complicated steps, saving you time and effort during setup • High Precision and Performance - Engineered for excellence, this kit guarantees superior performance and high work efficiency, ensuring your 3D printing tasks are completed with ease Features: 1、Super torque can absorb vibration, and can transmit larger torque appropriately. 2、High？quality aluminum alloy material, has high hardness, durability and long service life. 3、Wide applicability, mainly used in CNC machine tools, servo motors, spindles, stepping motors, etc. 4、Small, light in weight, easy to operate and use, no complicated steps are needed, saving time and effort. 5、Sophisticated production, excellent quality, superior performance, and high work efficiency will bring you more convenience. Specification: Condition: 100% Brand New Item Type: Shaft Coupler Material: Aluminium Alloy Color: As the Picture Shown Length: Approx. 25mm/1in Inner Diameter: Approx.5mm/0.2in Diameter: Approx. 8mm/0.3in Package List: 5 x Shaft Coupler Package List 5 x Shaft Coupler