Introduced in 1988, the K’Zool is named after KEZURU(削る) which means to shave or whittle down in Japanese. 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