High quality neodymium magnet push pins with three layers of coating for corrosion protection. Extremely adhesive, suitable for attaching posters and notes to metal surfaces like refrigerators and whiteboards. Convenient and portable, easy to grasp and remove. Specifications: Material - neodymium iron boron, Category - Fixer, Color - Silver, Surface electroplating - nickel plating, Size - 16 * 12mm. Applicable to all magnetic surfaces, including offices, classrooms, and notes.