magnet clasp 1.Certification:ISO9001:2000 2.CUstomization:available 3.Coatings: Nickle, Zinc, epoxy, gold.. magnet clasp1.Material: NdFeB Magnet2.Various coating: Nickle, Zinc, epoxy, gold, etc3.Shapes and sizes: block, ring, according to clients' requests4.Certification: ISO9001:20005.Applications: used for necklace, bracelet, and other jewelry...