Since its debut in 1988, the K'zool bears the name of KEZURU(削る), a Japanese term meaning to meticulously shave or whittle. The K'Zool allows the user to choose among 5 blade lengths via a dial. The sharpness of the core remains visible at all times allowing for fine adjustments.Push-button mechanism to easily clear snapped leads.Contoured body for comfortable use.Shutter to prevent escaped shavings.