Neodymium magnets are usually coated Nickel-Copper-Nickel plating to prevent the iron from rusting.

Features
Super Strong Grade N35  Neodymium Magnets
Ni+Cu+Ni Heavy Duty Plating
Great for Do-It-Yourself projects and sticking notes on fridge


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:
Super strong magnets， please be careful with pick and place;
we would not recommend this magnet be used by children under 5 without supervision!

Package included
100 Pieces Rare Earth Neodymium Magnets N35