20 Pieces Rare Earth Neodymium Magnets N50 7mm x 3mm
Neodymium (chemical symbol Nd) is element 60 on the periodic table. It is a rare earth metal and forms one of the Lanthanides series. When added to Iron (Fe) and Boron (B) (chemical formula Nd14Fe21B) the resultant magnets are the strongest magnets currently available. Neodymium magnets are sometimes known as Neo， Neod or NIB magnets.
Neodymium magnets are usually coated Nickel-Copper-Nickel plating to prevent the iron from rusting.
Features:
Super Strong Grade N50 Neodymium Magnets
Stronger than N42， N45， N48 etc.
50.8 lb Holding Power Each Magnet
Ni+Cu+Ni Heavy Duty Plating
Application:
Smaller magnets are often used for jewellery clasps， magnetic therapy， jewellery， magnetic earrings， fridge magnets， model train connectors，wargaming models， motors， science projects etc.
Characteristics: Having high magnetic properties， good time stability and lower temperature coefficient.
Warning: We would not recommend this magnet be used by children under 5 without supervision!
Package included:
20 Pieces Rare Earth Neodymium Magnets N50
