Specification Brand : Agatige BulletPoint1 : FUNCTION: Plum shaft coupling are usually used to connect servo motors, stepper motors, encoders, screw drives, machine platforms, etc. Flexibility of coupling shaft removes stress between the motor and driving components. BulletPoint2 : STABLE AND RELIABLE PERFORMANCE: The performance of this coupling is stable and reliable, with good shock absorption, cushioning and electrical insulation properties. Shaft : 6.35 x 10mm / 0.3 x 0.4in; Length: 30mm / 1.2in; Diameter: 25mm / 1in. BulletPoint3 : HIGH QUALITY STRENGTH ALUMINUM: Plum coupling shaft is made of high quality strength aluminum, it has excellent carrying capacity and long service life without lubrication. Super strong torque can absorb vibration, suitable for high torque transmission. High hardness, durability, good response, and not easy to loosen. BulletPoint4 : WIDELY USED: The plum blossom coupling encoder has small radial size and light weight, which is suitable for medium and high‑speed equipment. The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc. BulletPoint5 : SATISFACTION GUARANTEE: All our product offer return policy or money back guarantee, if you have any problem about your purchase, pls communicate with us by Email, we are always here to make everything right for you. IncludedComponents : Product Manual ItemName : Plum Shaft Coupling, 6.35mm x 10mm Flexible Shaft Coupling Aluminium Plum Flexible Shaft Coupling Motor Connector Flexible Coupler for 3D Printer CNC Machine and Servo Stepped Motor ItemPackageQuantity : 1 ItemTypeKeyword : spider-couplings Manufacturer : Agatige ModelNumber : CULK183773 NumberOfItems : 1 PartNumber : Agatigeang78ztg5u ProductDescription : Description: Shaft coupler Often used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc. Shaft : Approx. 6.35 x 10mm / 0.3 x 0.4in Length: Approx. 30mm / 1.2in Diameter: Approx. 25mm / 1in Material: Aluminium