4Pcs 3mm Flange Coupling Connector, Rigid Guide Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors

What makes this coupling connector stand out from its competitors is its durability, thanks to its 45# steel construction that's stronger than copper or aluminum alloys.

The heat and electroplated process further enhances its sturdiness and insulation, ensuring a more stable and easy installation and replacement.

Perfect for RC model motor enthusiasts, this coupling connector is an essential accessory for any model shaft connection.

With a compact size of inner diameter 3mm and height 12mm, it's easy to install and replace.

Plus, the package includes everything you need, including 4 flange shaft couplings, 1 M3 mini hex wrench, and 8 M3 fastening screws.

Don't miss out on this high-quality coupling connector that will take your RC model motor to the next level!