Magnet Source 07045 Super Magnet Disc, Neodymium, 0.315 in Dia, 0.118 in H

Super neodymium magnet discs are made of the most powerful magnet material in the world! Use with heavy weight projects that use metal, stone or pewter materials. These magnets are frequently used in jewelry, eyeglasses, purse clasps and box closures. Great for projects that require extreme strength in a small size.