Yeebyee 6.35mm to 10mm Bore Aluminium Plum Flexible Shaft Coupling Servo Stepper Motor Jaw D25xL30 Connector Flexible Shaft Couplers for 3D Printer/CNC Machine/DIY Encoder, 2pcs/Pack(6.35mmx10mm)

["Shaft Couplers Materials: made of good quality Aluminum Alloy, Surface oxidation treatment, high hardness and excellent performance.","Shaft Usage: Bore Diameter: 6.35mm to 10mm/0.25inch to 0.39inch; Length: 30mm/1.18inch; Outer diameter: 25mm/0.98inch; Type: Plum shaped.","Flexibility of coupling shaft removes stress between the motor and driving components, The Shaft Coupling can be disassembled and used in combination by itself.","Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Sturdy,and excellent response, not easy to loosen.","Package Included: 2pcs Plum Shaft Couplers, 1pcs Allen Key","The shaft couplers widely used for 3D Printers, CNC machines, DIY Encoder, Servo Motors, Spindle, Step motor, Ballscrew etc."]