Round Neodymium Base Pot Magnet A pot magnet is a permanent magnet encased in a steel shell, which is sometimes called a pot, hence the name 'pot' magnet. A permanent magnet emits a magnetic field without the need for any electricity. Pot magnets are often used as magnetic bases and magnetic holders for large supermarket ceiling signs. Name: Permanent Round Neodymium Base Pot Magnet Material: Neodymium Iron Boron + stainless steel pot shell Size: D25, D32, D36, D60, D90 or customize Coating: Nickel, Black Epoxy, Sprat paint(colorful) Packing; Wholesale packaging: standard shock-proof corrugate carton Retail packing: customize personality box Sample: Free sample 1-2 pcs Production time: 25 wo0rking day Certificates: SGS, TS16949, ISO9001:2000 Retail usage: The countersunk disc magnet encased to a cup shape stainless metal. Strengthen the magnetic of the magnet itself compared with the magnet in the same size. This item is hot for various applications. And it is hot-sell on the Amazon and E-bay, we provide the magnet, also the individual package. We can manufacture the whole unit as per your design drawing, we can provide the solution according to your idea as well.