6-pc. neodymium magnet disc set. Each measures 7/16 in. dia. x 1/8 in. thick. Also known as rare earth magnets, these neodymium magnets are the strongest magnet material available. Great for projects that require extreme strength in a small size such as holding knife blades while not in use, holding metal in place while welding, drilling or machining, or impressing your friends with magic tricks. Warning Powerful attraction force can pinch fingers and chip magnets. Carefully slide magnets apart and together. Thickness in. 1/8, Material Neodymium, Product Style Holding magnet, Diameter in. 7/16.
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