Die grinders are comfortable and straightforward to use, depending on the model you opt for and your intended purpose. Die grinders are typically used to remove excess metal from surfaces, make surfaces smoother and grind down some ore. To begin the operations, you need to switch on the grinder and make contact with the surface gently. The gentle procedure will allow all excess metal to grind away, leaving you with a smoother surface. Before use, you need to employ safety gear such as safety glasses for your eyes, to keep debris away.