Coarse and fine grinding - Exquisite sharpening of edge, not easy to hurt , multi-functional two-in-one, fast and convenient, easy to operate Anti-skid pad on the base - The base uses an anti-skid pad, which is non-slip and labor-saving and not easy to slide. Details determine the quality Humanized handshake design - One tool in hand, without worry, suitable for different knife types, specializing in various hard-to-blunt knives Easy to store - The retractable design is easy to store and does not take up space