Description: The structure is simple,easy to install,buffer,damping,convenient to disconnect. The size is complete and the surface is smooth. The elastic connection, you can absorb vibration, compensate radial, angular and axial misalignment. Shaft coupling Often used to connect servo motor stepper motor,encoder, screw driving, machine platform etc. Insider Diameter: Approx. 20mm/ 0.79inch Length: Approx. 55mm/ 2.17inch Outside Diameter: Approx. 40mm/ 1.57inch Material: Aluminium Package Includes: 1xFlexible Shaft Coupler Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement
