Stealthy Guardian Self Defense Tactical Pen - Tophatter's Guns'N'Weapons StoreSelf defense and personal security can never be more important. Protect yourself with a solid high craft aluminum constructed pen. It is stealthy and generates a hard and powerful defensive strike. The body of this defensive pen is thick and heavy, so it can bust through just about any material, including glass. This is also a real pen that writes in black ink and the ink cartridge is refillable or replaceable. Clip it to your pocket or belt easily