Yello-Jaket knives are back! These pocket knives range from 1 to 4 blades and include a hand-crafted wood storage box. Blades are AUS-8 Japanese polished steel and are corrosion resistant. Carbon fiber body accents give this line of knives a unique and distinguished look.. Overall Length (Inches): 3.5 (closed). Blade Length (Inches): Varies. Etched Clip blade, Pen blade & Coping blade. Wood storage box included. Lifetime warranty.