The grinder is used to smooth, then to finish an object after performing welding work, for example, or other interventions that leave residues. But it is also useful when you have to repaint a piece of furniture, in order to remove the old layer of paint or to make the metal shinier. Although this is its main purpose, the truth is that it also lends itself to a great deal of other uses. In particular, what is defined as an angle grinder can also be used to cut, chamfer corners, and perform various types of finish.