Konosuke White #2 Petty 150mm. These knives are reactive so you need to wipe them dry after use. Patina will form over time. They take an steep edge and are light and thin. We sell these primarily to knife nuts and professionals so if you have questions about it please call us. Comes with a stabilized, Ho wood octagonal handle. The steel is Hitachi white #2 which is well regarded because it's hard and takes an acute edge. It's also easy to sharpen and the edge is 50/50 out of the box.