Neodymium ring magnets can be made very small or large, can withstand temperature 80 degrees Celsius or 200 degrees Celsius, you are now looking at this belongs to the small ring-shaped powerful magnets, N38H grade, the maximum temperature resistance of 120 degrees Celsius, outer diameter of 6mm, bore 3.5mm, thickness of 2mm, conventional nickel-plated, standard tolerance, support for personalized customization, welcome to need to be used in the manufacturers to contact us.
Smaller ring magnets;
Very small ring neodymium magnets OD 5mm x 1mm x 1mm