Neodymium magnets so far are the most powerful permanent magnets man have made. The major material of the neodymium magnet is Nd, Fe and B, so it's also noted as NdFeB magnet. The item in this listing is made of grade N42 NdFeB material and costed with Ni+Cu+Ni triple layers, which is the best coating available. The magnet is made to the industrial tolerance, i.e. +/-0.0002" and all the edges are rounded for easy installation and safe handling.

The following is the magnetic characteristics of the item: Grade: Neodymium magnets, grade N42
Magnetization: through 1/2"
Rating: Over 13200 gauss
Pulling Force: 105 lbs.
Plating: Ni+Cu+Ni 3 layer plating, the best plating available.

Application: Holding or lifting magnets, massage or dent removal.

CMS Magnetics has been offering the top quality permanent magnets for industries and individuals for more than 10 years. The product quality control is certified for ISO 9001 and the products are RoHS compliant.