Sphere magnets are permanent magnet balls or strong ball magnets. No matter ball magnet or sphere magnet, they just tell us the same shape for a permanent magnet.
The magnetic neodymium balls/neodymium sphere magnets are powerful magnetic balls that made of rare earth neodymium permanent magnetic material.
The smallest sizes of neodymium ball magnets we made are Dia-2mm. And the biggest NdFeB sphere magnets we made is Dia-50mm. 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.