20mm x 5mm Neodymium Disc Strong Magnet

Specifications: Shape: Disc/Circular Dimensions: 20mm diameter x 5mm thickness Quantity: 01 Pcs Plating /Coating: Ni-Cu-Ni (Nickel) Tolerance: /- 0.1 Material: Neodymium Magnets (NdFeB) Magnetization Direction: Axial Max Operating Temp: 176ºF (80ºC) Ages:7 ages, both for kids and adults