5.5" Mini OTF Black Automatic Knife Dagger Serrated. This knife is dual action, meaning that the blade will eject and retract with the push of a single button. The blade is made from Damascus steel. A matte black Cerakote finish is given to the textured zinc aluminum handle to prevent buffs and scratches. Included with your purchase is a FREE black nylon carrying case complete with a quick release opening and belt loop. Overall Length: 5.5 inches, Blade Length: 2.125 inches