Ceramic Magnets,Hard Ferrite Magnets—An Economical Solution for Arts & Crafts
Disk, 2.83"(72mm) Diameter x0.31"(8mm) Thick,Grade C8,One Of the Strongest Grade Ceramic Magnets Available
3.5 Lb Pull Force & High 3,850 Internal Gauss Rating
Package of 5 Magnets with Demagnetization Resistance,Corrosion Resistance and Oxidation Resistance
WARNING - The magnet is very fragile, it is forbidden to collide with other metal objects (including another magnet), so be careful when you are trying separte them