... 3.Shape:Customize 4.Coating; Nickel large magnets for sale Neodymium Magnets, NdFeB, Neodymium Iron Boron magnets ... +/-0.03~ +/- 0.05mm for small dimensions, +/-0.1mm for common specifications, +/-0.15mm for large dimensions.Grade:N33-N52, ... Ring, Block, Segment, Cylinder, Trapezoid, Customized shape.Magnet Polarity:Axially Magnetized, diametral Magnetized, Multi-polar magnetized.Excellent Corrosion ...