Inon M67 Screw Ring Set for UWL-H100 28M67 Lens (Type 1)
The Type 1 Screw Ring Set can be used to change a UWL-H100 28M67 Type 2 lens to a UWL-H100 28M67 Type 1 lens.
The difference in a Type 1 and a Type 2 lens is the distance from the back lens surface to the mounting threads.
Screws and hex wrench are included but not shown in the photograph.
Type 2 Screw Ring Set is also available.