Description
The SMRN0721 ring neodymium magnet is made from high-performance N42 NdFeB, with Nickel coating. The dimension of this item is 1 1/2″ od × 3/8″ 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 0.1125 lbs. It can pull up to 33.43 lbs steel.