About the product
- HIGH QUALITY: Made from strong neodymium-iron-boron alloy (NdFeB) and have a stylish nickel coating (Ni-Cu-Ni) with an appealing silver surface --- All the magnets are magnetized axially and have a maximal operating temperature of 80 degrees Celsius
- MULTIPURPOSE: These neodymium magnets are perfect for DIY craft projects and scientific projects
- LARGE SIZE: Diameter 40mm x thickness 20mm(approx.1.57\"x0.79\" ).Tolerances: