Description
The SMRN0691 ring neodymium magnet is made from high-performance N42 NdFeB, with Nickel coating. The dimension of this item is 3/4″ od × 1/4″ id × 1/4″ thick, magnetized through thickness, with the tolerance of ±0.004″ × ±0.004″ × ±0.004″. The weight of this super strong neodymium magnet is 0.026625 lbs. It can pull up to 17.61 lbs steel.