Product Details Key Specifications/Special Features:Materials: neodymium-iron-boron (NdFeB rare-earth magnet)Magnet shapes: disc, cylinder, block, ring, countersink, segment, trapezoid, irregular shapes and more or customized shapes for sintered NdFeB magnets are availableMagnet coating: Ni-Cu-Ni, Nickel, ZnTechnology advantages: depending on advanced technical process, quality control team and ...