If the pen is mightier than the sword, the double duty tactical pen is the toughest pen on the planet. Both a premium quality writing implement and a last ditch Defensive tool, the double duty tactical pen 1.0 is equally at home writing a note or punctuating a perp. Features include a subdued if the pen is mightier than the sword, the double duty tactical pen is the toughest pen on the planet. Both a premium quality writing implement and a last ditch Defensive tool, the double duty tactical pen 1.5 is equally at home writing a note or punctuating a perp. Features include a subdued matte black finish, knurled grip areas for confident control, and machined aerospace aluminum construction for durable and precise defense when you need it most. Includes Fisher space pen PR4 medium point black ink cartridge. Matte black finish for a subtle and elegant style and machined aerospace aluminum construction for durable and precise defense when you need it most. Includes Fisher space pen PR4 medium point black ink cartridge..