4mm x 2mm Neodymium Disc Magnets
Dimensions: 4mm dia. x 2mm thick Tolerance: +-0.5mm Shape: Disc/Cylinder Material: Neodymium Magnet, NdFeB Magnet, Grade: N35 Plating /Coating: Ni-Cu-Ni (Nickel) Magnetization Direction: Axial(Poles on Flat Ends) Max Operating Temp: 176ºF (80ºC) Ages:7+ ages, both for kids and adults
These discs are tiny, yet strong enough for many tasks. N35 grade discs are quite strong for their size. Great fun and ideal for many projects.