These rare earth magnets are made from neodymium, iron, boron and other transition elements. These are the strongest permanent magnets on the market today. Used in a variety of industrial applications to an unlimited number of personal projects. They can be used in the manufacturing of motors, alternators and actuators and also great for crafts, school experiments and DIY jobs. Use for practically any light, medium or heavy-duty project, where super strong pull force is required.
Glue to back of projects that require extreme strength in a small size.