METAL PEN: The tactical pen is made from sturdy 6061-T6 aluminum. It features a non-slip grip with grooves and diamond patterns for better friction, making it more secure in your hand. Each pen weighs 1.61 oz, making it suitable for those who prefer a heavier pen SELF DEFENSE PEN: Our tactical pen has a glass breaker at the end to shatter car windows in emergencies, helping you escape quickly. It can also be used for self-defense to protect yourself