Equipped with an upgraded blade steel and a bright handle color, the Blur is back and better than ever. This Factory Special Series Kershaw uses premium CPM M4 blade steel, offering incredible edge retention and hardness. Like all Blurs, it uses a big, slightly recurved blade that's ideal for multitasking. The blade shape offers both excellent slicing and piercing capabilities. The navy blue Blur has a black DLC (Diamond-Like Carbon) coated blade for extra corrosion resistance and enhanced looks.