LORJE Tactical Pen First Line Defensive Tool Survival Aviation Aluminum Self Heavy-duty Tactical Pen, made of Aircraft Aluminum, effect tactical action, improve safety coefficient. Lightweight and Portable. Features an Ultra durable carbide tip Glass Breaker, could be used to break glass in emergency. Provide Nice Writing tools with high performance, accord with ergonomics design, easy to hook on your backpack, bags, notebook. Material:Aluminum Alloy