Specification Brand : Fafeicy BulletPoint1 : The structure is simple,easy to install,buffer,damping,convenient to disconnect. BulletPoint2 : Clamp the screws and fix them. BulletPoint3 : The elastic connection, it can absorb vibration, compensate radial, angular and axial misalignment. BulletPoint4 : Compact size and smooth BulletPoint5 : Shaft coupling is often used to connect servo motor stepper motor,encoder, screw driving, machine etc. Color : #600 ItemName : Flexible Coupler, Spider Shaft Coupling, D40 L66 Mm CNC Aluminium Plum Flexible Shaft Coupling,Stepper Motor Coupler Connector, Coupling, Nuts ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : spider-couplings Manufacturer : Fafeicy ModelNumber : Fafeicyutvcg5xifz NumberOfItems : 1 PartNumber : Fafeicyutvcg5xifz ProductDescription : Features: The structure is simple,easy to install,buffer,damping,convenient to disconnect. Compact size and smooth The elastic connection, it can absorb vibration, compensate radial, angular and axial misalignment. Shaft coupling is often used to connect servo motor stepper motor,encoder, screw driving, machine etc. Clockwise and counterclockwise rotation properties are identical. Clamp the screws and fix them. Widely used in the shafting of various mechanical devices, such as pumps, fans, compressors, machinery, printing machinery.