This MX-A805 series spring assisted open folding knife from MTech USA Xtreme offers easy one handed deployment. Once open, the blade locks securely into place with the use of its liner lock. This knife features a 4-inch, 4mm thick tanto stainless steel blade with sawback and G10 handle. Comes complete with a pocket clip for easy and safe carry. Measures 5 inches closed. MTech USA Xtreme offers a variety of both tactical fixed blade and folding knives that are made with thicker and higher grade materials such as 440A and 440C stainless steel blades.