Features 1、Has Countersunk Hole: There is a countersunk hole in the middle of the disc magnet, which brings more convenience in fixing and working. 2、Using Good Neodymium: The strong neodymium and stainless steel materials are not likely to break during the use, also has good durability. 3、Strong Pulling Force: Designed to have 280KG pulling force, this small disc magnet is more than enough to hold and hang a heavy load. 4、Fine 3 Layer Coating: 3 layer coating of nickel, copper and electroplating enables the magnet smooth surface for more powerful suction. 5、Wider in Application: Suitable for family, office, classroom, school, science, adult, children science and interesting decoration as well. Specification Item Type: Countersunk Hole Magnet Material: Neodymium, stainless steel. Color: Silver Surface Electroplating: Nickel Plating Working Temperature: 80 ℃ Use: Suitable for family, office, classroom, school, science, adult, children's science and interesting decoration. Package List 2 x Countersunk Hole Magnet