The length of the puncture belt is 16.1mm, the thickness of the puncture belt is 2.7mm, the buckle of the fuselage column is square, and all can not be rotated.
Mamiya M645/1000S C220F-C330-C330S-Universal,
The length of the belt mouth is 12.3mm and the thickness of the belt is 2.9mm. The buckle of the fuselage column is round and the button can be rotated.