Tactical Pen, low-key self-defense, safe practical. Product name: Tactical Pen. Material: Aluminum alloy. Colour: Black. Size: 5.4x0.6inch. Applicable environment: lighting, calling for help, training, writing books, cutting things, touch screen, whistle opener, twisting screws, broken windows, etc. The package includes: 1 Tactical Pen. Feature: ✨1. Survival pen can meet all your needs. ✨2. Tactical pen for self defense small size, unique design, easy to use and carry.