Stanford - Model SMBN0390 - Neodymium Block Magnet
The SMBN0390 BLOCK neodymium magnet is made from high perfermance N42 NdFeB, with Nickel coating. The dimension of this item is 1/4' x 1/8' x 1/8' thick, magnetized Through Thickness, with tolerance of ±0.004' x ±0.004' x ±0.004'. The weight of this super strong neodymium magnet is 0.00105625 lbs. It can pull up to 1.55 lbs steel. And the surface field is up to 5248 gauss.