Tungsten Steel Tactical Pen for Glass Breaker and Self-defense Mutifunctional Emergent Tool (Aluminum,Black) [ULTRA SOLID & RUGGED MATERIALS] These tactical pen is made of sturdy and solid Aviation 6061-T6 aluminum alloy, can break the glass in an emergency situation. [MULTIFUNCTIONS] Our uzi pen could use for defending yourself from an unexpected attack, also broken glass apparatus for quickly escaping from dangerous place under emergent and unexpected circumstance. And also collect DNA when needed. High-strength precision rolling ballpoint pen for fluent writing. Compatible with Standard Refills. [PROTABLE] It won't be confiscated as a prohibited goods and weapons by security personnel, but go through the airport security check easily. You can bring it with you everyday and everywhere. [UTILITY TOOL] It combines many functions in one, it is a practical and high grade product. Excellent value for money [EXCELLENT GIFT] 1 pack self defense pen will be a paramount birthday and chrismas present for your family and friends. And we provide 1 YEAR warranty (Not included Refills). Value for money and buy with confidence.