DIYMAG Powerful Neodymium Bar MagnetsHeavy Duty M

MAGNETS COATED - NiCuNi Triple Layer Coated. The Best Coating Available which Provides a Shiny and Rust Resistant Protection for the Magnets. POWERFUL MAGNETS - Made of Strongest Magnetic Material Strong Holding Power Holding Power is not Less than 18 lb per Magnet with Direct Touch and Direct Pull. MAGNETS DIMENSIONS - 60mm x 10mm x 3mm . DIY PROJECTS SCIENCE EXPERIMENTS - Refrigerator Magnets Shower Door Work or Office Scientific Purposes Arts and Crafts or School Classroom. WARNING - The bar magnet is very fragile it is forbidden to collide with other metal objects including another magnet so be careful when you are trying separte them