Features: Low profile writing pen Ink cartridge developed for extreme conditions Description: The CRKT Williams Defense Pen is a discreet and convenient tool that is perfect for everyday carry. With the look and functionality of a standard pen, this tool is perfect for those who want to be prepared without drawing attention to themselves. Despite its unassuming appearance, the Williams Defense Pen is a formidable tool. Made from strong and lightweight Grivory material, the pen provides a comfortable grip and makes an effective self defense self defense tool. Like what you see? Check out the rest of our tactical pens. You can never be too careful!