Applied Magnets 2" x 2" x 1" Grade N52 Neodymium Block Magnet Top Quality Rare Earth Neodymium Magnets N52 Grade. Nickel-Copper-Nickel triple layer coated for durability and excellent protection against corrosion Estimated Pull Force: 260 lbs, Great performance, Wholesale Price. Magnetized through the 1" Thickness. Poles are on the 2" x 2" surfaces. Quantity: 1 magnet per package.