Applied Magnets 1" x 3" Grade N42 Neodymium Cylinder Magnet Top Quality Rare Earth Neodymium Magnets N42 Grade. Nickel-Copper-Nickel triple layer coated for durability and excellent protection against corrosion Actual pull force varies depending on different applications due to the small contact surface. Great performance, Wholesale Price. Quantity: 1 Neodymium Magnet. 1" wide x 3" thick, magnetized through thickness.