... , Any size Product specifications:1. neodymium rare earth round magnets with holes are with material grades of N35,N38,N40,N42,N45,N48 ... ,SH,UH,EH) etc.2. Working temperature for neodymium round magnets with holes:from 80 centigrades to 230 centigrades.3. Can be ... with the most that we can do for you.4, The performance and properties of our material are guaranteed in "Sunshine Magnet".5 ...