Material: Neodymium magnets / NdFeB
Grade: N35-N55 (customize service)
Plating: Nickel + Copper + Nickel Triple Layer Plated, which makes them Sliver bright color and durable in use.
Size: L40xW30x2Tmm
Tolerance: +/-0.1mm
Max Operating Temperature: 80 Celsius degree / 176 Fahrenheit degree
Magnetic pole direction：Axially magnetized / Poles on Flat Ends
The usual magnetized direction of block magnets is through thickness, that means that the N-S poles are on the big flat surfaces.
