The SMBN0448 countersunk neodymium magnet is made from high-performance N42 NdFeB, with Nickel coating. The dimension of this item is 1/2" × 1/2" × 1/4" thick w/ hole to accept a #6 screw, magnetized through thickness, with the tolerance of ±0.004" × ±0.004" × ±0.004". The weight of this super strong neodymium magnet is 0.0145625 lbs. It can pull up to 9.53 lbs steel.
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