We are offering promotional small ball shaped magnets. Product:ndfeb magnetic material:neodymium-iron-boron coating:ni-cu-ni , nickel , zn , gold , cr , silver , copper black , epoxy , chemical , ptfe parylene grade:n35-n52, 30m-50m, 30h-48h, 28sh-45sh, 28uh-42uh, 28eh-38eh, 28ah-38ah shapes:disc, cylinder, block, ring, countersunk, segment, trapezoid, irregular shapes and customized made. 3.coating:ni, ni-cu-ni, zn, tin, epoxy, ni-ag, ni-au, etc. 4.applications: motors, generators, ndfeb pot magnet, speakers, sensors, earphones and other musical instruments, magnetic therapy devices, magnetic chuck, magnetic bearings and couplings, other magnetic applications 5. Directions of magnetization: a. thickness magnetized b. Axially magnetized c. Diametrally magnetized d. Multi-poles magnetized e. Radial magnetized f. Customzied specific requirements magnetize