Shun Dual Core VG0017 8-Inch Kiritsuke Knife 8-inch Kiritsuke is known as a master's knife in Japan; Kiritsuke knives are the only true multipurpose knives in Japanese cutlery 71 alternating micro layers of VG10 & VG2, high-carbon, high-chromium stainless steel Dual Core construction; both steels go all the way to the edge; wear at different speeds to create micro serrations The blade is light, thin, and strong; Shun's sharpest edge yet; retains sharpness longer due to micro serrations created Featuring traditional Japanese octagon-shaped handles in ebony PakkaWood