With this adapter you can connect the Micro Four Thirds System to a T2 thread.
Since the Micro Four Thirds system has a back focus of only 20 millimeters, is this adapter consists of two parts:
the bayonet adapter to T2
a T2 extension ring, which causes the usual T2-flange of 55mm.
With the adapter to 55mm You can connect your Micro Four Thirds camera at regular camera lenses with T2 thread, without having problems with the focal position.
The T2 bayonet ring itself can be adapted via grub screws precisely to the rotational position of the camera.