All magnets are not created equal. Neodymium magnets are a permanent type of Rare Earth Magnet made from neodymium iron boron and other transition elements. * * Affordability & availability contribute to this strong magnet s growing popularity. Neodymium magnets are available in a wide range of shapes sizes and grades. These are the strongest permanent magnets on the market today. * * Neodymium magnets have many uses from a variety of industrial applications to an unlimited number of personal projects. They can be used in the manufacturing of motors alternators and actuators and also great for crafts school experiements and DIY jobs. Perfect for small yet strong closures and fasteners and ideal for keeping objects secure on any ferrous metal surface. * Brand Name: Magnet Source Length: .118 in. Width: .472 in. Color: Silver Material: Neodymium Product Type: Super Disc Magnets Pull Capacity: 4.3 lb. pull Number in Package: 6 pc MGOe: 35 Packaging Type: Clamshell Telescoping: No Usage: Use to make medium to heavy weight items magnetic Neodymium Disc Magnets measure .472 Dia. x .118 : Neodymium Disc Magnets measure .472 Dia. x .118 Thk. Each magnet is corrosion-resistant due to a triple layer nickel coated finish. North and South magnetic poles are on the flat surfaces (6-PK)