Handled, tested and approved by soldiers. The quality and sharpness of this knives is not in doubt. Get gripped in this officially licensed USMC tactical knife. MARSOC Serrated Co'Ops. by Shadow Ops®.Reinforced blade with a smoother ball bearing trigger opening system for durability and lasting functionality. The customized bull frog grip is adapt to all climates, terrain, and an Oorah durability. Each knife includes a hard nylon carrying case, and an Alan key to tighten all screws on the knife. A pocket lanyard is included at the bottom of the knife for extra paracord utility and easy access.