Madison Supply, 9 Pound Strong Neodymium Magnet Hooks, Heavy Duty Magnetic Hook (6-pack)(9 Pound) Package of 6 magnet hooks for use on refrigerators, file cabinets, toolboxes, steel doors and more. Nickel-plated polish looks great in the kitchen, and is durable enough for the shop The 9 lb size is great for lighter objects: keys, papers, light kitchen utensils, small tools, etc. The weight capacity is tested with a .25 inch mild carbon steel beam in a horizontal position Mounting the magnetic hook to thin steel, or vertically will reduce the capacity by approx. 2/3