Tactical pens have a sharp self defense tool at the end of every pen. The point of the pen is so strong that it can be used to hammer into a piece of wood. Made of aircraft aluminum and has many uses. It can be used as a self defense tool should the need arise, It is a great writing pen and It is also a great tool for breaking a windshield in the event of an emergency. Tactical Pens have become very popular and are continuing to gain popularity.