... with high quality 2.Different size and widely used 3.Many coating with different color magnetic disk Description1.Material:rare earth ,neodymium ... 2.Shape:Block ,Ring,Disk,customers3.Grade:N33-N52,N30M,N30H-N48H,N30SH-N45SH,N28UH- ... best price quickly, please provide the following information:1.Product size,grade,coating,etc2.Order quantity;3.Attached the drawings if ...