Introduction: 100% new quality. The tactical self-defense pen is made of aviation aluminum by type III hard anodizing. In an emergency, it can be your ideal tool for self-defense. Provide beautiful high-performance writing instruments and bodyguards in emergencies. Diamond wire design at the handle, with excellent anti-skid ability. Tactical action effect, improve safety factor. Powerful attack and defense head to effectively control criminals. Can be used as a broken glass device, can quickly escape when driving in an emergency. Manganese steel pen holder: Ergonomic design, easy to hang on backpacks, school bags, laptops. Made of aviation aluminum, durable and practical. Smooth business pen, round tip, comfortable and stable. Specification: Material: Aviation Aluminum. Size: about 15*1.5cm (length*D). Color: black, silver, gold, gray.