Rare Earth Magnet for testing chains, rings, and jewelry if plated or filled. 3/4 inch round & 1/4 thick. Very strong pulling power. Can be hung on a string and then bring items up to it to see for movement.
0.75"OD x 0.375"ID x 0.25"Thick Neodymium NdFeB Magnet Ring, Ni-Cu-Ni Plated
Grade N42, Extremely powerful grade, stronger than N40, N38, N35, 20% stronger than N35
Magnetized through the Thickness 0.25"
Patent Licensed
Approximate pulling force: 8 lbs
Gauss Rating: 12900
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