These neodymium magnets are 3/8 inch in diameter and 1/16 inch thick. They are composed of grade 42 NdFeB material and are plated in black epoxy. The N and S poles are on the flat surfaces. All the tolerances are +/-0.01mm with coating.

Neodymium magnets are the strongest type of permanent magnet currently made. They are amazingly powerful for their size and have innumerable uses. CMS makes the top notch neodymium magnets with the state of the art technology. CMS neodymium magnets are superior to other brand in terms of higher strength, better coating, tighter tolerance and better longevity. All the CMS neodymium magnets are made under ISO 9002 quality systems.

Keep these neodymium magnets away from children under 5 years old. They are not edible and lethal when swallowed.

Magnetic Characteristics:
Gauss: 1.32 tesla. Maximum product energy: 42 MGOe. Hci, Hcb, Holding power 1.9 lbs. Poles are on the flat surfaces. Ni+Cu+Ni triple layer coating. Applications: crafting, holding and closure etc.