... 3.Grade:N,M,H,SH,UH,EH,AH Super high quality Round NdFeB Magnets We are a sintered neodymium (NdFeB) magnet ... for many years.We have confidence in providing your high quality products.Features:1. Material:Sintered Neodymium-Iron-Boron.2. Temperature: the max ... ,Cube,Sphere,Strip,etc. 5. Size: According to customers' request.6. Coating: Ni, Zn, NiCuNi,gold, copper, epoxy and so on ...