These sphere magnets(magnetic balls) are made of rare earth neodymium permanent magnetic material,they are the strongest sphere magnets you can get on the world. The smallest sizes of neodymium ball magnets we made are 2mm. And the biggest neodymium sphere magnets we made is 50mm. 5mm , 6mm , 8mm, 10mm, 12.7mm are popular as standard sizes for neodymium sphere magnets. Meank magnetics will be your first choice of magnetic balls factory. We have both small ball magnets for sale and magnetic balls of big size, welcome to consult.
