Elegant Executive Dozen Letter Opener Knives Blue - TOPHATTER'S ARMORY DEALSPen Knife These Executive pen knives are very well crafted executive style pens that has a hidden surprise. These are a high quality dark blue high glossy pen knife that is refillable. It is a smooth writing pen that no one will suspect has a knife inside, just simply pull on the barrel. They make great letter openers, and looks nice in any shirt pocket. Specifications: Pen Length: 5. 5 Inch each Knife Length: 2. 25 Inch each Color: Dark Blue, Glossy