Features:
Size: Dimensions: outer diameter X length: D9mm x L22mm, connection aperture: 4mm to 4mm.
Material: Made of high-quality metal, durable, long service life, compact design, easy to carry and store.
Universal joint coupling, connecting two shafts, can be bent into any angle, with strong flexibility and convenient use.
It is suitable for connecting various model cars, model boats, robots or DIY applications.
Connect the two shafts to transmit power and torque, and play a protective role when the load is too large.

Specifications:
Color: Black.
Material: Metal.
Size: D9mm x L22mm.
Connection aperture: 4mm to 4mm.

Note:
Due to the light and screen difference, the item's color may be slightly different from the pictures.
For manual measurement, there may be an error of 0.03mm-1mm, thank you for your kindly understanding.

Package included:
1 x Universal Joint.