Forschner Edge-Mag Magnetic Blade Guards are Magnetic blade protectors, Easy to use, Universal design, fits most sizes and shapes, Can be cut to fit most blades, Hygienic / washable and dishwasher safe (low temp), All Victorinox cutlery products are backed by a lifetime guarantee.
Open the Edge-Mag and place a knife with the edge aligned to the inside lip with the bolster flush against the tapered end. Close the Edge-Mag like a book and the knife edge should be completely covered. To remove, open carefully like a book, holding the knife by the handle. The Edge-Mag is manufactured with multi poled magnets that cannot magnetize your knife. They utilize complex magnetic fields that alternate every 1/8-in and cannot permanently align the poles in any magnetically receptive object.