CMS Magnetics Disc Neodymium Magnets N45 1-1/2” Diameter x 1/4" (38.1 mm x 6.35 mm) Strong Rare Earth Magnet for Home Hobby Schools & Science 3 PCs;

This listing includes 3 pieces of grade N45 neodymium magnets made with the highest quality CMS Magnetics NdFeB alloy which is the strongest type of permanent magnet currently made. They can hold up to hundred times of their own weight. Neodymium magnet are also known as NdFeB magnets. Their major elements include Nd (neodymium), Fe (iron) and B (boron). Note: 1. Please read the instruction before use the magnets. 2. All magnets are fragile by nature, so they may break or chip when they collide into each other or a steel surface. But they will last for a life time if handled properly. 3. Keep away from children under 10 years old