6mm OD x 3mm ID x 3mm Thick Rare Earth Ring Magnet N50 nickel-plated Neodymium Ring Magnets for sale Crafts

100pcs N50 6mm x 3mm Super Strong Rare Earth Disc Ring Magnets With 3mm Hole Rare Earth Neodymium Ring Magnets For Sale

The smallest nickel-plated neodymium ring magnets in our assortment. For such a small size, they have an incredible adhesive force.

Neodymium magnets are perfect for use in dry indoor areas.

Specification:
Material: NdFeB ( Neodymium )
Shape: Disc/ Round Magnet
Grade: N50
Size: 6mm od x 3mm id x 3mm thick
Inner Hole Dia.: 3mm
Operating temperature: ≤80° C
Ages:7+ ages, both for kids and adults.
Please be care when  break apart  because Neodymium block magnet have strong Magnetism.

Package Included:
100x Neodymium Ring Magnets

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.
Neodymium block magnet  was made of  NdFeB, have strong magnetic performances and appearance does not rust, usually placed in  room temperature, the maximum  operating temperature is 80 °C , and it never will demagnetization.