The Victorinox Edge-Mag magnetic blade protector is functional, easy to use, and does a perfect job in protecting your favorite knives. This blade protector includes three 9" knife protectors. The Edge-Mag knife protectors feature an universal design that fits most knife shapes and designs. The blade protectors are hygienic and are top rack dishwasher safe. The Victorinox blade protectors are designed to not magnetize your knives. This ensures both safety and convenience.