Madison Supply, 25 Pound, Strong Neodymium Swivel Magnet Hook (25 Pound 2 Pack) Qty of two 25 lb. Swivel Hook Magnets for all of your heavy duty magnet hook needs Use the 25 pound size for almost every application. Use the 50 pound size for when you need maximum hold! The 25 lb. size is great for the mid-weight household applications: tools, aprons, mugs, jackets, etc. These magnets are strong - don't pinch your finger between them! 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.