Plastic with ball stud and nutBall stud: M4Length: 8mmInside thread: M4Total length hinge: 22mmLength with pin hinge: 22mmBall diameter: 6mmDeflection angle: 22.5 °Advantage of the plastic ball joints: The ball stud does not need to be hardened, such as in joints of metal and the hinge is very smooth. Stock: 50