1.Applications: rigid couplings can fix the shaft on the plane, and can easily install other accessories on the shaft, perfect accessories for RC model, widely used in model shaft connection.

2.Material selection: exquisite chrome-plated iron, better than copper aluminum alloy, electroplating process makes it strong insulation, more stable percussion shaft, easy to install and replace. In particular, it does not contain toxic and harmful substances. There is no slow or long-term toxicity. So don't worry about your health when using it.

3.Universal: when you receive the goods, you will get 2 pieces Flange Shaft Coupling, wrench included, suitable for all kinds of DIY handmade model accessories. Just place the 2 flanged couplings between the 2 objects that need to be connected, align them, and tighten the 4 screws against the 4 holes one by one with a wrench to achieve the result of connecting the 2 objects.