Aopin 2mm to 2mm Red Rigid Couplings Set Shaft Stepper Motor, Length 20mm / 0.79" Motor Coupler Connector Rigid with Screw for 3D Printer, RC Robot, Car Model Shaft, CNC Machine, DIY Encoder 4 Pcs

The Flange Coupler is a high-quality, durable coupling that is perfect for RC model motors.

It features anodized aluminum alloy construction for excellent corrosion resistance and stable shaft transmission.

The product name is "Flanged Coupler" and it is suitable for various models and brands of 3D printers.

When the rated torque is exceeded, the coupling can protect the safety of the linkage.

With its rigid flange design, this coupler is often used in high torque transmission occasions and is a must-have accessory for any RC model enthusiast.