10mm neodymium magnets.
Pack of 8 Neodymium iron borron (NdFeB) nickel-plated, gloss finished magnets.
Neodymium magnets are the strongest type of permanent magnet made (10-15 times stronger than normal magnet). They are also known as 'Super Magnets'.
The direction of magnetism is through the height.
For use at max temp of 80°C.