U.S. Marines by Mtech USA M-2010 Series Folding Knife, 5-Inch Closed Folding knife locks securely into place once open with liner lock 4.5-inch, 4mm thick straight edge stainless steel blade with sawback Black Stonewashed stainless steel handle Carbide glass breaker on the end of the handle; pocket clip for easy and safe carry Measures 5.5 inches closed