Stanford - Model SMSN0738 - Neodymium Sphere Magnet
The SMSN0738 SPHERE neodymium magnet is made from high perfermance N42 NdFeB, with Nickel coating. The dimension of this item is 3/16' diameter, magnetized , with tolerance of ±0.004'. The weight of this super strong neodymium magnet is 0.0009375 lbs. It can pull up to 0.91 lbs steel. And the surface field is up to 8815 gauss.