Aopin 5mm to 6mm Rotatable Universal Joint Coupling Shaft Stepper Motor, Length 23mm / 0.91", Coupler Connector with Screw for 3D Printer, RC Robot, Car Boat Shaft, DIY Encoder, CNC Machine 4 Pcs

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

It has anodized aluminum alloy surface with excellent corrosion resistance, providing stable shaft transmission and convenient installation/replacement.

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

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

This product is a must-have for anyone looking to upgrade their RC model motor's performance and durability.