Magcraft NSN0656 1/2-Inch by 1-Inch Rare Earth Rod Magnets, 2-Count
Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These rod magnets are 0.500-Inch (12.7-mm) diameter and 1.000-Inch (25.4-mm) long. They are magnetized through the length. They are composed of grade 40 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 28-Pound. Maximum working temperature is 176-Degree Fahrenheit (80-Degree Celsius). Magnets may chip and crack if allowed to snap together.