Widely used to connect model cars, model boats, robots, etc.It is often used for shafts that transmit rotary motion.Made of high-quality metal materials, durable.This kind of joint or coupling connects rigid rods, and their axes are inclined to each other.100% brand new and high quality.Colour: as shownMaterial: metalSize: 3mm-4mmPackage Contents:5 x CouplingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
