... magnets manufacturer 3.Shape:Customize 4.Coating; Nickel large magnets for sale Neodymium Magnets, NdFeB, Neodymium Iron Boron magnets, the ... :Tolerance: +/-0.03~ +/- 0.05mm for small dimensions, +/-0.1mm for common specifications, +/-0.15mm for large dimensions.Grade:N33-N52, 33M ... -48M, 33H-48H, 30SH-45SH, 30UH-40UH and 30EH-38EH.\Shape:Disc, Ring, Block, Segment ...