Monument semi automatic pipe cutter enables 8 22 mm diameter copper and thicker walled plastic pipes such as those used in central heating to be cut automatically once it has been sized and tightened thin walled plastic pipes may collapse too easily unless an internal support is given to pipes after tightening no further adjustment or feeding of the wheel into the tube is required soft copper can also be cut without crushing if the tool is used like a conventional cutter by feeding the wheel int