25% OFF Super Strong Pure Neodymium N52 Ring Magnets Countersunk hole - 30x5x5mm
Highest Grade Pure Neodymium N52 Ring Magnets with Countersunk hole. Neody mium magnets Grade N52 A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd.