The Fox Folding Karambit Trainer measures 7.5" overall with a 3" 420C stainless steel blade. It can be opened in a variety of ways including the patented Emerson wave feature, thumb slot, or the flipper tab and is great for tactical training. The textured G10 handle scales provide superb purchase and the integrated finger hole works excellently with both the index and pinky fingers. It's a pocket defense training tool with a functional, elegant style from a quality manufacturer.