MTech USA Xtreme MX-A801GY Spring Assist Folding Knife, Two-Tone Half-Serrated Blade, Black and Grey Handle, 4.75-Inch Closed Spring assist folding knife offers rapid one-handed deployment, locks securely into place with liner lock 3.5-inch, 3mm thick two-tone half-serrated stainless steel blade Black and Grey handle Pocket clip for easy and safe carry Measures 4.75 inches closed