Name: neodymium pot magnets Grade: n42 Size: 11x15.8 mm Material: sintered neodymium-iron-boron (ndfeb) Coating/plating: nickel plated . We also can made zn, nicuni, ag, au and other special platings and coatings. Pot magnets used for magnetic basement that mounted on rotating work light. Pot magnets are often used as tools for various activities in workshops and in industry. They can be used for holding workpieces whilst welding, cutting, milling or drilling etc. Because of the lack of moving parts and the robust construction of pot magnets, the life is unlimited and no maintenance is required. Just keeping the pole surface clean gaurantees relaible operation and a long life Standard export cartons with magnetism shielding foil