1mm thick ring magnets

1mm thick radial rare-earth neodymium magnetic ring 29x18x1mm

Note that this is a thin ring neodymium magnet with radial magnetization. Most of the other powerful ring magnets of similar specifications you have seen are axial, so this is a special one. The outer diameter of the magnetic ring is 27mm, the same as the size of the commemorative coin, the inner diameter is 17mm, and the thickness is 1mm. The following picture is taken by Xiao Fu, the courage magnet manufacturer....