3D printer Spider Shaft Coupling Aluminium Plum Flexible polyurethane reduce banding ribbing

I say these awhile ago on Amazon and thought I would give these a shot. I did see an improvement with my banding. Below are the coupling on Amazon by Befenybay

Couplers on Amazon
https://www.amazon.com/gp/product/B07RMZCLZ3/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B07RMZCLZ3&linkId=ebfe4eb1f963e0b551c99263de57d904

Specs:
Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch
Material: Aluminum alloy, polyurethane Type: Plum shaped
Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen
Flexibility of coupling shaft removes stress between the motor and driving components
The shaft couplers are mainly used for CNC machines,servo motors, spindle, step motor etc