These magnetic racks can be attached to the wall or to the cabinet doors where they're safer for the children. Keeps them out of their reach but still handy so you can easily use them when needed. The Magnetic knife rack is much more hygienic than a wooden Knife Block. As wood is absorbent of water which in turn produces bacteria. Magnetic knife rack occupies considerably less space & leaves the counter space free. Holds any size or shape of knives. Increases the life of your knives since they don't scrape together in the drawer.