BYKES 500 Neodymium Super Strong Extremely Powerful Rare Earth Refrigerator Magnets - Perfect for Metal Collar Stays - 1/8" x 1/16" Disc N48

Package of 500 Magnets - Grade N48 Pulling Force - 0.8 lbs Neodymium Iron Boron (NdFeB) Rare Earth Magnets 0.125" Diameter x 0.0625" Thick WARNING: VERY STRONG MAGNETS. KEEP OUT OF REACH OF ALL CHILDREN. THIS IS NOT A TOY. Product Description Rare earth magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. These disc magnets are 0.125" in diameter and 0.0625" thick. They are magnetized through the thickness. They are composed of grade 48 neodymium iron boron magnetic material and are plated in nickel-copper-nickel for a shiny corrosion resistant finish. Their individual pull force is approximately 0.8 lbs. Maximum working temperature is 176 F (80 C). Magnets may chip and crack if allowed to snap together. WARNING: THIS IS NOT A TOY. These magnets are not marketed for entertainment, such as puzzle working, sculpture building, mental stimulation, or stress relief. Please note: That by purchasing