Application device:Glass cutting device, suitable for small glass tube (the diameter of the tube can be cut about 2cm), round blade, the operation of the hangman is simple and easy to use. A practical device:The diameter of the glass tube can be cut to about 6cm.Please note that the project cannot cut the glass tube completely, it just draws a path and then rinses the object by alternately with hot and cold water, so that the glass tube breaks. Necessary tools:This is a must-have tool for all practical people, especially plumbers , electricians, mechanics, service personnel and do-it-yourselfers who need to cut pipe for their own projects. The ergonomic feel and consistent tracking make the pipe cutter a very comfortable and fast tool. Good cut performance:The pipe cutter is designed to mark the circumference of the pipe. It cuts silicate and borosilicate glasses, creating very clean cracks. Note kn :The glass cutters can be used for teaching or personal purposes. Care should be taken not to cut yourself. If the head is worn, it must be replaced so as not to affect its use.