Mantis Knives MKF-814 Snaggletooth II High Tech Folding Blades Knife, Black We use our M-vex steel on the blade of this knife and we have a unique shark tooth design carved into the handle of the G-10 The finger hole has a push button release that we have patented This style is black oxide coated, we use our M-vex steel and like the rest of the Snaggletooth knives has a liner lock