MTech USA MT-424 Series Folding Tactical Knife, Black Straight Edge Blade, 4-3/4-Inch Closed Tactical folding knife offers easy one-handed deployment via use of its thumb stud; stays securely in place via liner lock Blade made of 440 stainless steel for excellent hardness and edge retention Aluminum handle with textured design; seatbelt cutter and glass breaker for emergencies Comes complete with a pocket clip for easy and safe carry 4-2/4-inch closed length, 3-1/4-inch blade length with 3mm thickness