Features 1、RUSTPROOF COATING: These neodymium magnets are coated with Ni Cu Ni triple layer which makes them very durable and provides a shiny finish. This Ni Cu Ni coating also provides ideal rust protection 2、PERMANENT MAGNETS: These magnets are made of excellent materials and have super permanent magnetism, their magnetic strength will not decrease over time. Never loses power even when approaching other magnets or putting down 3、DIY PROJECTS AND SCIENCE EXPERIMENTS: For refrigerator magnets, shower doors, work or offices, science uses, arts and crafts or school classrooms 4、10PCS IN TOTAL: The package contain a total of 10pcs neodymium bar magnets, enough for you to replace and use, very practical 5、STABLE AND DURABLE: Neodymium magnet has stable structure, excellent performance and long service life Specification Item Type: Neodymium Bar Magnets Material: Neodymium Single Size: Approx. 50 x 10 x 3mm / 1.97 x 0.39 x 0.12in Package List 10 x Neodymium Bar Magnets