Feature:
Made of stainless steel,durable.
360 degree rotatable universal joint.
Ideal accessories for RC Model motor, such as airplane boat model.
Metal joints for use in direct-axis motor, motor for the brush motors and small brushless motor.

Parameters:
3mm to 3mm:
Hole diameter:one is 3mm,the other is 3mm.
Universal joint outside diameter:9mm
Universal joint length:22mm
Holding screw size:M3

Package include:
2 x Universal joint(3mm to 3mm)
4 x Holding screw

Note: The color of the item may vary slightly due to photography and your own computer