United Cutlery Navy Seals Rescue Pens are ideal tools for quick tactical movements. These pens are designed to give high-impact effectiveness. They are made from precision-machimed 6061 aluminum and hard anodized to combat rough use. The pen can be used for writing as well as for delivering powerful thrusts. The pen measures six inches in length. The body of this high impact pen is 0.55 mm in diameter . Its weighs about 2.8 ounces and is extremely powerful. It supports a refillable cartridge with black ink. Its ergonomically designed body ensures that the pen offers a superior grip to the user.