MTech USA MT-A707T Series Spring Assist Folding Knife, Half-Serrated Blade, 4.5-Inch Closed Spring assist folding knife offers rapid one-handed deployment, locks securely into place with liner lock 3.25-Inch, 3mm thick half-serrated stainless steel blade Blue stainless steel handle with 3D sculpted dragon detail Pocket Clip for easy and safe carry Measures 4.5 inches closed