2' x 2' Neodymium Disc Magnet 410 lb - Heavy Duty Rare Earth Permanent Magnet for Industrial, Science, DIY, and Craft Applications (51mm x 51mm)

The Super Strong Neodymium Magnet is among the world's most powerful rare earth magnets. STRONG - Contains 1 Neodymium Rare Earth Permanent Magnet with impressive Grade N45 Magnetic Energy, more powerful than N42, N40, N38, N35, and a remarkable 10x stronger than the strongest ceramic magnet. POWERFUL - These Rare Earth Neodymium Magnets have an approximate pull force of 29 lbs and feature a triple-layer coating (nickel-copper-nickel) for optimal durability and protection against corrosion. USEFUL Utilize these rare earth magnets for a wide variety of applications, such as locating studs in walls, re-magnetizing old magnets, various projects and presentations, education, and more. NASA even employs them on Mars Exploration Rovers!