This product is 50mm (2 inches) round magnet with holes, because it is neodymium material, can also be called ring neodymium magnets, size is not too big, not too small, belongs to the medium size, the inner hole of 42mm, the thickness of 3mm, nickel-copper-nickel plating, has a strong magnetic strength, suitable for magnetic therapy products, medical equipment, experiments, mechanical equipment, etc., can be customized to the specifications of what you actually need, do not have to open the mold, welcome to inquire about the disk.
2 inch large ring neodymium magnet 50x42x3mm sample;
Other 50mm round magnets with holes;