Customized Permanent Ferrite Magnet/Ferrite Bar Magnets 1.Dimensions: According to your requirements 2.Grade: Y30,Y30BH,Y30BH-1,Y35 and etc 3.Magnetized: Length,Width,Thickness,as optional 4.Size:max out dia. 280mm,max thickness 40mm 5.Tolerance:OD and ID 2%,+/-0.1mm for thickness