Exclusively from Victorinox Cutlery, a revolutionary idea in knife storage, protection and safety! Magnetic protectors cover blades of kitchen knives. Edge-Mag is manufactured with multi-poled magnets that cannot magnetize knife blades. They utilize complex magnetic fields that alternate every 1/8" so that there is no permanent alignment of the magnetic poles in any magnetically receptive object. Set of 7" protectors Universal design fits most sizes and shapes of kitchen knives Can be cut to exact blade size Hygienic and washable Dishwasher safe at low temps!