This pen is made of aviation aluminum with high quality. It's suitable for self-defense￡? handwriting signature￡? gifts￡? escape off the car. <br> <br> <strong>Features:</strong> <br> 5.83 inches overall length￡? weighs 1.65 ounces. <br> Made of aviation aluminum￡? high quality. <br> The design is simple but fashionable￡? comfortable for use. <br> Not only is a writing pen￡? but also a good tool for self-defense.? <br> Multi-functions: suitable for self-defense￡? handwriting signature￡? gifts￡? escape off the car. <br> <br> <strong>Notice:</strong> <br> The refill will appear when rotating the pen clockwise￡? then you can write with this pen. <br> <br> <strong>Specifications:</strong> <br> Color: Black <br> Material: Aviation Aluminum <br> Length: 148mm / 5.83in <br> Diameter: 14.5mm / 0.57in? <br> Weight: 47g / 1.65oz <br> <br> <strong>Package List:</strong> <br> 1 * Self Defense Pen